diff --git a/package.json b/package.json
index 3ac162d48fc4..d035b41a613d 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "type": "module",
   "packageManager": "yarn@1.22.19",
   "devDependencies": {
-    "@endo/eslint-plugin": "^0.4.3",
+    "@endo/eslint-plugin": "0.4.3",
     "@jessie.js/eslint-plugin": "^0.3.0",
     "@types/node": "^16.13.0",
     "@typescript-eslint/parser": "^5.55.0",
diff --git a/packages/ERTP/package.json b/packages/ERTP/package.json
index 8c0e551f797f..57c60aa72676 100644
--- a/packages/ERTP/package.json
+++ b/packages/ERTP/package.json
@@ -44,14 +44,14 @@
     "@agoric/store": "^0.9.3-u11.0",
     "@agoric/swingset-vat": "^0.32.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56"
+    "@endo/eventual-send": "0.17.2",
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56"
   },
   "devDependencies": {
-    "@endo/bundle-source": "^2.5.1",
+    "@endo/bundle-source": "2.5.1",
     "@fast-check/ava": "^1.1.3",
     "ava": "^5.2.0",
     "tsd": "^0.28.1"
diff --git a/packages/SwingSet/package.json b/packages/SwingSet/package.json
index 906619796640..5ac3d2d087af 100644
--- a/packages/SwingSet/package.json
+++ b/packages/SwingSet/package.json
@@ -38,20 +38,20 @@
     "@agoric/vat-data": "^0.5.3-u11.0",
     "@agoric/xsnap": "^0.14.3-u11.0",
     "@agoric/xsnap-lockdown": "^0.14.0",
-    "@endo/base64": "^0.2.31",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/captp": "^3.1.1",
-    "@endo/check-bundle": "^0.2.18",
-    "@endo/compartment-mapper": "^0.8.4",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/far": "^0.2.18",
-    "@endo/import-bundle": "^0.3.4",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56",
-    "@endo/ses-ava": "^0.2.40",
-    "@endo/zip": "^0.2.31",
+    "@endo/base64": "0.2.31",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/captp": "3.1.1",
+    "@endo/check-bundle": "0.2.18",
+    "@endo/compartment-mapper": "0.8.4",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/far": "0.2.18",
+    "@endo/import-bundle": "0.3.4",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56",
+    "@endo/ses-ava": "0.2.40",
+    "@endo/zip": "0.2.31",
     "ansi-styles": "^6.2.1",
     "anylogger": "^0.21.0",
     "import-meta-resolve": "^2.2.1",
diff --git a/packages/agoric-cli/package.json b/packages/agoric-cli/package.json
index 61de69491949..8e3ec92e9394 100644
--- a/packages/agoric-cli/package.json
+++ b/packages/agoric-cli/package.json
@@ -50,14 +50,14 @@
     "@cosmjs/proto-signing": "^0.30.1",
     "@cosmjs/stargate": "^0.30.1",
     "@cosmjs/tendermint-rpc": "^0.30.1",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/captp": "^3.1.1",
-    "@endo/compartment-mapper": "^0.8.4",
-    "@endo/far": "^0.2.18",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/captp": "3.1.1",
+    "@endo/compartment-mapper": "0.8.4",
+    "@endo/far": "0.2.18",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56",
     "@iarna/toml": "^2.2.3",
     "anylogger": "^0.21.0",
     "chalk": "^5.2.0",
diff --git a/packages/assert/package.json b/packages/assert/package.json
index e55e91dd9080..974389171833 100755
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -18,7 +18,7 @@
     "lint:types": "tsc -p jsconfig.json"
   },
   "devDependencies": {
-    "@endo/init": "^0.5.56",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0"
   },
   "repository": {
diff --git a/packages/cache/package.json b/packages/cache/package.json
index 54a68e2c4cae..6725a0034877 100644
--- a/packages/cache/package.json
+++ b/packages/cache/package.json
@@ -23,8 +23,8 @@
     "@agoric/notifier": "^0.6.3-u11.0",
     "@agoric/store": "^0.9.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5"
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5"
   },
   "devDependencies": {
     "@agoric/zoe": "^0.26.3-u11.0",
diff --git a/packages/casting/package.json b/packages/casting/package.json
index df422173bd20..535d19572694 100644
--- a/packages/casting/package.json
+++ b/packages/casting/package.json
@@ -30,15 +30,15 @@
     "@cosmjs/proto-signing": "^0.30.1",
     "@cosmjs/stargate": "^0.30.1",
     "@cosmjs/tendermint-rpc": "^0.30.1",
-    "@endo/far": "^0.2.18",
-    "@endo/init": "^0.5.56",
-    "@endo/lockdown": "^0.1.28",
-    "@endo/marshal": "^0.8.5",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/far": "0.2.18",
+    "@endo/init": "0.5.56",
+    "@endo/lockdown": "0.1.28",
+    "@endo/marshal": "0.8.5",
+    "@endo/promise-kit": "0.2.56",
     "node-fetch": "^2.6.0"
   },
   "devDependencies": {
-    "@endo/ses-ava": "^0.2.40",
+    "@endo/ses-ava": "0.2.40",
     "@types/node-fetch": "^2.6.2",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
diff --git a/packages/cosmic-swingset/package.json b/packages/cosmic-swingset/package.json
index 49d0bcc1aecd..c65eb20179dd 100644
--- a/packages/cosmic-swingset/package.json
+++ b/packages/cosmic-swingset/package.json
@@ -30,12 +30,12 @@
     "@agoric/swing-store": "^0.9.2-u11.0",
     "@agoric/swingset-vat": "^0.32.3-u11.0",
     "@agoric/telemetry": "^0.6.3-u11.0",
-    "@endo/far": "^0.2.18",
-    "@endo/import-bundle": "^0.3.4",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/far": "0.2.18",
+    "@endo/import-bundle": "0.3.4",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56",
     "@iarna/toml": "^2.2.3",
     "@opentelemetry/sdk-metrics": "~1.9.0",
     "@opentelemetry/api": "~1.3.0",
diff --git a/packages/deploy-script-support/package.json b/packages/deploy-script-support/package.json
index ce6ca9cd6b4e..05aa979d02b7 100644
--- a/packages/deploy-script-support/package.json
+++ b/packages/deploy-script-support/package.json
@@ -41,17 +41,17 @@
     "@agoric/notifier": "^0.6.3-u11.0",
     "@agoric/store": "^0.9.3-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
-    "@endo/base64": "^0.2.31",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56",
-    "@endo/zip": "^0.2.31"
+    "@endo/base64": "0.2.31",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56",
+    "@endo/zip": "0.2.31"
   },
   "devDependencies": {
     "@agoric/vats": "^0.15.2-u11.0",
-    "@endo/init": "^0.5.56",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0",
     "import-meta-resolve": "^2.2.1"
   },
diff --git a/packages/deployment/package.json b/packages/deployment/package.json
index 5540008acb06..cb04590b98fa 100644
--- a/packages/deployment/package.json
+++ b/packages/deployment/package.json
@@ -20,8 +20,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@agoric/assert": "^0.6.0",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
     "chalk": "^5.2.0",
     "deterministic-json": "^1.0.5",
     "inquirer": "^8.2.2",
diff --git a/packages/eslint-config/package.json b/packages/eslint-config/package.json
index da537273b345..eae6c53382a6 100644
--- a/packages/eslint-config/package.json
+++ b/packages/eslint-config/package.json
@@ -25,7 +25,7 @@
     "eslint-config.json"
   ],
   "peerDependencies": {
-    "@endo/eslint-plugin": "^0.4.4",
+    "@endo/eslint-plugin": "0.4.4",
     "@jessie.js/eslint-plugin": "^0.3.0",
     "@typescript-eslint/parser": "^5.55.0",
     "eslint": "^8.36.0",
diff --git a/packages/governance/package.json b/packages/governance/package.json
index 077941314bcc..90994dc946d2 100644
--- a/packages/governance/package.json
+++ b/packages/governance/package.json
@@ -41,17 +41,17 @@
     "@agoric/vat-data": "^0.5.3-u11.0",
     "@agoric/vats": "^0.15.2-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
-    "@endo/captp": "^3.1.1",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56"
+    "@endo/captp": "3.1.1",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56"
   },
   "devDependencies": {
     "@agoric/deploy-script-support": "^0.10.4-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/init": "^0.5.56",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
     "import-meta-resolve": "^2.2.1"
diff --git a/packages/inter-protocol/package.json b/packages/inter-protocol/package.json
index 09fd0e00ef6c..6c0fe25d45c3 100644
--- a/packages/inter-protocol/package.json
+++ b/packages/inter-protocol/package.json
@@ -39,11 +39,11 @@
     "@agoric/vat-data": "^0.5.3-u11.0",
     "@agoric/vats": "^0.15.2-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
-    "@endo/captp": "^3.1.1",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
+    "@endo/captp": "3.1.1",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
     "agoric": "^0.21.2-u11.0",
     "jessie.js": "^0.3.2"
   },
@@ -52,9 +52,9 @@
     "@agoric/smart-wallet": "^0.5.4-u11.0",
     "@agoric/swingset-liveslots": "^0.10.3-u11.0",
     "@agoric/swingset-vat": "^0.32.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/init": "^0.5.56",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/init": "0.5.56",
+    "@endo/promise-kit": "0.2.56",
     "@fast-check/ava": "^1.1.3",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
diff --git a/packages/internal/package.json b/packages/internal/package.json
index 30df2de72325..e7c73ce2f3a5 100755
--- a/packages/internal/package.json
+++ b/packages/internal/package.json
@@ -21,16 +21,16 @@
   },
   "dependencies": {
     "@agoric/zone": "^0.2.3-u11.0",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5",
-    "@endo/patterns": "^0.2.2",
-    "@endo/promise-kit": "^0.2.56",
-    "@endo/stream": "^0.3.25",
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5",
+    "@endo/patterns": "0.2.2",
+    "@endo/promise-kit": "0.2.56",
+    "@endo/stream": "0.3.25",
     "anylogger": "^0.21.0",
     "jessie.js": "^0.3.2"
   },
   "devDependencies": {
-    "@endo/init": "^0.5.56",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0",
     "tsd": "^0.28.1"
   },
diff --git a/packages/notifier/package.json b/packages/notifier/package.json
index 3cf8c72003e7..f05348b6dba0 100644
--- a/packages/notifier/package.json
+++ b/packages/notifier/package.json
@@ -39,13 +39,13 @@
     "@agoric/swing-store": "^0.9.2-u11.0",
     "@agoric/swingset-vat": "^0.32.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5",
-    "@endo/promise-kit": "^0.2.56"
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5",
+    "@endo/promise-kit": "0.2.56"
   },
   "devDependencies": {
-    "@endo/init": "^0.5.56",
-    "@endo/ses-ava": "^0.2.40",
+    "@endo/init": "0.5.56",
+    "@endo/ses-ava": "0.2.40",
     "ava": "^5.2.0",
     "c8": "^7.13.0"
   },
diff --git a/packages/pegasus/package.json b/packages/pegasus/package.json
index 4db294fd9403..1e808d7808a0 100644
--- a/packages/pegasus/package.json
+++ b/packages/pegasus/package.json
@@ -37,12 +37,12 @@
     "@agoric/swingset-vat": "^0.32.3-u11.0",
     "@agoric/vats": "^0.15.2-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/captp": "^3.1.1",
-    "@endo/far": "^0.2.18",
-    "@endo/init": "^0.5.56",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56"
+    "@endo/bundle-source": "2.5.1",
+    "@endo/captp": "3.1.1",
+    "@endo/far": "0.2.18",
+    "@endo/init": "0.5.56",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56"
   },
   "devDependencies": {
     "@agoric/deploy-script-support": "^0.10.4-u11.0",
diff --git a/packages/same-structure/package.json b/packages/same-structure/package.json
index 0b85dbf3a3d0..09090c5807c1 100644
--- a/packages/same-structure/package.json
+++ b/packages/same-structure/package.json
@@ -31,7 +31,7 @@
   "dependencies": {
     "@agoric/assert": "^0.6.0",
     "@agoric/store": "^0.9.3-u11.0",
-    "@endo/marshal": "^0.8.5"
+    "@endo/marshal": "0.8.5"
   },
   "files": [
     "*.js",
diff --git a/packages/sharing-service/package.json b/packages/sharing-service/package.json
index eac4bb3aa52d..490e6fa84b0f 100644
--- a/packages/sharing-service/package.json
+++ b/packages/sharing-service/package.json
@@ -28,11 +28,11 @@
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
     "@agoric/assert": "^0.6.0",
-    "@endo/marshal": "^0.8.5"
+    "@endo/marshal": "0.8.5"
   },
   "devDependencies": {
     "@agoric/swingset-vat": "^0.32.3-u11.0",
-    "@endo/eventual-send": "^0.17.2",
+    "@endo/eventual-send": "0.17.2",
     "ava": "^5.2.0",
     "c8": "^7.13.0"
   },
diff --git a/packages/smart-wallet/package.json b/packages/smart-wallet/package.json
index e25328c84a19..5b242479f24f 100644
--- a/packages/smart-wallet/package.json
+++ b/packages/smart-wallet/package.json
@@ -17,9 +17,9 @@
   },
   "devDependencies": {
     "@agoric/cosmic-proto": "^0.3.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/captp": "^3.1.1",
-    "@endo/init": "^0.5.56",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/captp": "3.1.1",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0",
     "import-meta-resolve": "^2.2.1"
   },
@@ -34,11 +34,11 @@
     "@agoric/vat-data": "^0.5.3-u11.0",
     "@agoric/vats": "^0.15.2-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/far": "^0.2.18",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56"
+    "@endo/eventual-send": "0.17.2",
+    "@endo/far": "0.2.18",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56"
   },
   "files": [
     "src/"
diff --git a/packages/solo/package.json b/packages/solo/package.json
index cfb2201e74a2..5d63f86a1bea 100644
--- a/packages/solo/package.json
+++ b/packages/solo/package.json
@@ -36,12 +36,12 @@
     "@agoric/time": "^0.3.3-u11.0",
     "@agoric/vats": "^0.15.2-u11.0",
     "@agoric/wallet": "^0.18.4-u11.0",
-    "@endo/captp": "^3.1.1",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/import-bundle": "^0.3.4",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/captp": "3.1.1",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/import-bundle": "0.3.4",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/promise-kit": "0.2.56",
     "agoric": "^0.21.2-u11.0",
     "anylogger": "^0.21.0",
     "deterministic-json": "^1.0.5",
@@ -58,7 +58,7 @@
   },
   "devDependencies": {
     "@agoric/ertp": "^0.16.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
+    "@endo/bundle-source": "2.5.1",
     "ava": "^5.2.0",
     "c8": "^7.13.0"
   },
diff --git a/packages/spawner/package.json b/packages/spawner/package.json
index 0957fd52e65e..38c34eaa14d6 100644
--- a/packages/spawner/package.json
+++ b/packages/spawner/package.json
@@ -31,15 +31,15 @@
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
     "@agoric/assert": "^0.6.0",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/import-bundle": "^0.3.4",
-    "@endo/marshal": "^0.8.5"
+    "@endo/eventual-send": "0.17.2",
+    "@endo/import-bundle": "0.3.4",
+    "@endo/marshal": "0.8.5"
   },
   "devDependencies": {
     "@agoric/internal": "^0.3.3-u11.0",
     "@agoric/swingset-vat": "^0.32.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/init": "^0.5.56",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0",
     "c8": "^7.13.0"
   },
diff --git a/packages/store/package.json b/packages/store/package.json
index 324a29299bcd..7e852ea420b3 100644
--- a/packages/store/package.json
+++ b/packages/store/package.json
@@ -31,15 +31,15 @@
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
     "@agoric/assert": "^0.6.0",
-    "@endo/exo": "^0.2.2",
-    "@endo/marshal": "^0.8.5",
-    "@endo/pass-style": "^0.1.3",
-    "@endo/patterns": "^0.2.2"
+    "@endo/exo": "0.2.2",
+    "@endo/marshal": "0.8.5",
+    "@endo/pass-style": "0.1.3",
+    "@endo/patterns": "0.2.2"
   },
   "devDependencies": {
     "@agoric/swingset-vat": "^0.32.3-u11.0",
     "@agoric/time": "^0.3.3-u11.0",
-    "@endo/ses-ava": "^0.2.40",
+    "@endo/ses-ava": "0.2.40",
     "ava": "^5.2.0"
   },
   "files": [
diff --git a/packages/swing-store/package.json b/packages/swing-store/package.json
index 243e7b03e37e..a4fcb3e068cc 100644
--- a/packages/swing-store/package.json
+++ b/packages/swing-store/package.json
@@ -23,14 +23,14 @@
   "dependencies": {
     "@agoric/assert": "^0.6.0",
     "@agoric/internal": "^0.3.3-u11.0",
-    "@endo/base64": "^0.2.31",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/check-bundle": "^0.2.18",
-    "@endo/nat": "^4.1.27",
+    "@endo/base64": "0.2.31",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/check-bundle": "0.2.18",
+    "@endo/nat": "4.1.27",
     "better-sqlite3": "^8.2.0"
   },
   "devDependencies": {
-    "@endo/init": "^0.5.56",
+    "@endo/init": "0.5.56",
     "@types/better-sqlite3": "^7.5.0",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
diff --git a/packages/swingset-liveslots/package.json b/packages/swingset-liveslots/package.json
index 3e3baa970cf9..9a48747b6f94 100644
--- a/packages/swingset-liveslots/package.json
+++ b/packages/swingset-liveslots/package.json
@@ -21,15 +21,15 @@
     "@agoric/internal": "^0.3.3-u11.0",
     "@agoric/store": "^0.9.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/exo": "^0.2.2",
-    "@endo/far": "^0.2.18",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/pass-style": "^0.1.3",
-    "@endo/patterns": "^0.2.2",
-    "@endo/promise-kit": "^0.2.56"
+    "@endo/eventual-send": "0.17.2",
+    "@endo/exo": "0.2.2",
+    "@endo/far": "0.2.18",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/pass-style": "0.1.3",
+    "@endo/patterns": "0.2.2",
+    "@endo/promise-kit": "0.2.56"
   },
   "devDependencies": {
     "ava": "^5.2.0"
diff --git a/packages/swingset-runner/package.json b/packages/swingset-runner/package.json
index 2924220c095c..44be5b1a5468 100644
--- a/packages/swingset-runner/package.json
+++ b/packages/swingset-runner/package.json
@@ -28,11 +28,11 @@
     "@agoric/telemetry": "^0.6.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
     "expose-gc": "^1.0.0",
     "n-readlines": "^1.0.1",
     "yargs": "^16.1.0"
diff --git a/packages/swingset-xsnap-supervisor/package.json b/packages/swingset-xsnap-supervisor/package.json
index 9f6a582b9038..a9c803eafcbf 100644
--- a/packages/swingset-xsnap-supervisor/package.json
+++ b/packages/swingset-xsnap-supervisor/package.json
@@ -25,10 +25,10 @@
   "devDependencies": {
     "@agoric/assert": "^0.6.0",
     "@agoric/swingset-liveslots": "^0.10.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/import-bundle": "^0.3.4",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/import-bundle": "0.3.4",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
     "ava": "^5.2.0",
     "c8": "^7.13.0"
   },
diff --git a/packages/telemetry/package.json b/packages/telemetry/package.json
index 69f3172ca9fb..7dda4409783c 100644
--- a/packages/telemetry/package.json
+++ b/packages/telemetry/package.json
@@ -25,9 +25,9 @@
     "@agoric/assert": "^0.6.0",
     "@agoric/internal": "^0.3.3-u11.0",
     "@agoric/store": "^0.9.3-u11.0",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/stream": "^0.3.25",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/stream": "0.3.25",
     "@opentelemetry/api": "~1.3.0",
     "@opentelemetry/exporter-prometheus": "~0.35.0",
     "@opentelemetry/exporter-trace-otlp-http": "~0.35.0",
@@ -41,8 +41,8 @@
     "tmp": "^0.2.1"
   },
   "devDependencies": {
-    "@endo/lockdown": "^0.1.28",
-    "@endo/ses-ava": "^0.2.40",
+    "@endo/lockdown": "0.1.28",
+    "@endo/ses-ava": "0.2.40",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
     "tmp": "^0.2.1"
diff --git a/packages/time/package.json b/packages/time/package.json
index 30d1a9cba932..05e9d7a13704 100644
--- a/packages/time/package.json
+++ b/packages/time/package.json
@@ -32,11 +32,11 @@
   "dependencies": {
     "@agoric/assert": "^0.6.0",
     "@agoric/store": "^0.9.3-u11.0",
-    "@endo/nat": "^4.1.27"
+    "@endo/nat": "4.1.27"
   },
   "devDependencies": {
-    "@endo/far": "^0.2.18",
-    "@endo/init": "^0.5.56",
+    "@endo/far": "0.2.18",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0"
   },
   "files": [
diff --git a/packages/ui-components/package.json b/packages/ui-components/package.json
index 64e0589d451d..76cef072ea01 100644
--- a/packages/ui-components/package.json
+++ b/packages/ui-components/package.json
@@ -7,9 +7,9 @@
   "dependencies": {
     "@agoric/assert": "^0.6.0",
     "@agoric/ertp": "^0.16.3-u11.0",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/init": "^0.5.56",
-    "@endo/nat": "^4.1.27",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/init": "0.5.56",
+    "@endo/nat": "4.1.27",
     "clsx": "^1.1.1"
   },
   "peerDependencies": {
diff --git a/packages/vats/package.json b/packages/vats/package.json
index c994cd152fe3..80680e9f08b5 100644
--- a/packages/vats/package.json
+++ b/packages/vats/package.json
@@ -41,12 +41,12 @@
     "@agoric/vat-data": "^0.5.3-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
     "@agoric/zone": "^0.2.3-u11.0",
-    "@endo/far": "^0.2.18",
-    "@endo/import-bundle": "^0.3.4",
-    "@endo/init": "^0.5.56",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/far": "0.2.18",
+    "@endo/import-bundle": "0.3.4",
+    "@endo/init": "0.5.56",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56",
     "jessie.js": "^0.3.2"
   },
   "devDependencies": {
@@ -55,9 +55,9 @@
     "@agoric/smart-wallet": "^0.5.4-u11.0",
     "@agoric/swing-store": "^0.9.2-u11.0",
     "@agoric/swingset-liveslots": "^0.10.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/captp": "^3.1.1",
-    "@endo/stream": "^0.3.25",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/captp": "3.1.1",
+    "@endo/stream": "0.3.25",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
     "import-meta-resolve": "^2.2.1"
diff --git a/packages/wallet/api/package.json b/packages/wallet/api/package.json
index 6547f5002c9b..530883218ea7 100644
--- a/packages/wallet/api/package.json
+++ b/packages/wallet/api/package.json
@@ -15,8 +15,8 @@
   },
   "devDependencies": {
     "@agoric/vats": "^0.15.2-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/init": "^0.5.56",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0"
   },
   "dependencies": {
@@ -30,10 +30,10 @@
     "@agoric/time": "^0.3.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
     "@agoric/zoe": "^0.26.3-u11.0",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/promise-kit": "0.2.56",
     "import-meta-resolve": "^2.2.1"
   },
   "keywords": [],
diff --git a/packages/web-components/package.json b/packages/web-components/package.json
index 25291fa1c03a..24c838c398ed 100644
--- a/packages/web-components/package.json
+++ b/packages/web-components/package.json
@@ -27,10 +27,10 @@
     "@agoric/notifier": "^0.6.3-u11.0",
     "@agoric/smart-wallet": "^0.5.4-u11.0",
     "@agoric/wallet": "^0.18.4-u11.0",
-    "@endo/captp": "^3.1.1",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/marshal": "^0.8.5",
-    "@endo/promise-kit": "^0.2.56",
+    "@endo/captp": "3.1.1",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/marshal": "0.8.5",
+    "@endo/promise-kit": "0.2.56",
     "@lit-labs/react": "^1.0.1",
     "lit": "2.0.2",
     "robot3": "^0.2.19",
@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "@custom-elements-manifest/analyzer": "^0.4.17",
-    "@endo/init": "^0.5.56",
+    "@endo/init": "0.5.56",
     "@keplr-wallet/types": "^0.11.37",
     "@open-wc/eslint-config": "^10.0.0",
     "@open-wc/testing": "^3.1.7",
diff --git a/packages/xsnap-lockdown/package.json b/packages/xsnap-lockdown/package.json
index 5e415b5b62bb..5dd06475446e 100644
--- a/packages/xsnap-lockdown/package.json
+++ b/packages/xsnap-lockdown/package.json
@@ -20,8 +20,8 @@
     "test:xs": "exit 0"
   },
   "devDependencies": {
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/init": "^0.5.56",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
     "rollup": "^2.58.0",
diff --git a/packages/xsnap/package.json b/packages/xsnap/package.json
index cd4970edd2ab..61f4248bbae8 100644
--- a/packages/xsnap/package.json
+++ b/packages/xsnap/package.json
@@ -30,18 +30,18 @@
     "@agoric/assert": "^0.6.0",
     "@agoric/internal": "^0.3.3-u11.0",
     "@agoric/xsnap-lockdown": "^0.14.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/init": "^0.5.56",
-    "@endo/netstring": "^0.3.26",
-    "@endo/promise-kit": "^0.2.56",
-    "@endo/stream": "^0.3.25",
-    "@endo/stream-node": "^0.2.26",
+    "@endo/bundle-source": "2.5.1",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/init": "0.5.56",
+    "@endo/netstring": "0.3.26",
+    "@endo/promise-kit": "0.2.56",
+    "@endo/stream": "0.3.25",
+    "@endo/stream-node": "0.2.26",
     "glob": "^7.1.6",
     "tmp": "^0.2.1"
   },
   "devDependencies": {
-    "@endo/base64": "^0.2.31",
+    "@endo/base64": "0.2.31",
     "ava": "^5.2.0",
     "c8": "^7.13.0"
   },
diff --git a/packages/zoe/package.json b/packages/zoe/package.json
index c4d2030f5dbd..cc30c385203b 100644
--- a/packages/zoe/package.json
+++ b/packages/zoe/package.json
@@ -51,18 +51,18 @@
     "@agoric/swingset-vat": "^0.32.3-u11.0",
     "@agoric/time": "^0.3.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
-    "@endo/bundle-source": "^2.5.1",
-    "@endo/captp": "^3.1.1",
-    "@endo/eventual-send": "^0.17.2",
-    "@endo/far": "^0.2.18",
-    "@endo/import-bundle": "^0.3.4",
-    "@endo/marshal": "^0.8.5",
-    "@endo/nat": "^4.1.27",
-    "@endo/patterns": "^0.2.2",
-    "@endo/promise-kit": "^0.2.56"
+    "@endo/bundle-source": "2.5.1",
+    "@endo/captp": "3.1.1",
+    "@endo/eventual-send": "0.17.2",
+    "@endo/far": "0.2.18",
+    "@endo/import-bundle": "0.3.4",
+    "@endo/marshal": "0.8.5",
+    "@endo/nat": "4.1.27",
+    "@endo/patterns": "0.2.2",
+    "@endo/promise-kit": "0.2.56"
   },
   "devDependencies": {
-    "@endo/init": "^0.5.56",
+    "@endo/init": "0.5.56",
     "ava": "^5.2.0",
     "c8": "^7.13.0",
     "import-meta-resolve": "^2.2.1",
diff --git a/packages/zone/package.json b/packages/zone/package.json
index 46a6760dc643..02e795e8da78 100644
--- a/packages/zone/package.json
+++ b/packages/zone/package.json
@@ -27,7 +27,7 @@
   "dependencies": {
     "@agoric/store": "^0.9.3-u11.0",
     "@agoric/vat-data": "^0.5.3-u11.0",
-    "@endo/far": "^0.2.18"
+    "@endo/far": "0.2.18"
   },
   "publishConfig": {
     "access": "public"
diff --git a/yarn.lock b/yarn.lock
index bfb4eb1615ba..5b0c3e00da0f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1320,12 +1320,12 @@
   resolved "https://registry.yarnpkg.com/@emotion/hash/-/hash-0.8.0.tgz#bbbff68978fefdbe68ccb533bc8cbe1d1afb5413"
   integrity sha512-kBJtf7PH6aWwZ6fka3zQ0p6SBYzx4fl1LoZXE2RrnYST9Xljm7WfKJrU4g/Xr3Beg72MLrp1AWNUmuYJTL7Cow==
 
-"@endo/base64@^0.2.31":
+"@endo/base64@0.2.31", "@endo/base64@^0.2.31":
   version "0.2.31"
   resolved "https://registry.yarnpkg.com/@endo/base64/-/base64-0.2.31.tgz#92378462cd791e0258a2291d44d2cfd15415cf32"
   integrity sha512-7IndkaZ7buIuFw8oBovNZV7epuyFWs0gdusSJ/zrx6fMXRqX0ycSTtxr6M5xADQGss1I9fqP3vteVLiNFlyIbw==
 
-"@endo/bundle-source@^2.5.1":
+"@endo/bundle-source@2.5.1":
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/@endo/bundle-source/-/bundle-source-2.5.1.tgz#6ec870335bd88ee561e6c2a323080c3b4a1894b4"
   integrity sha512-O8aEiOF3GmMbXjmz47CYNfvT6c16CNGT1ups2Spt29noejCoklmF5L7mEbeS8w7XUGA0Cs1IrZDfkiyTZ+ckmA==
@@ -1344,7 +1344,7 @@
     rollup endojs/endo#rollup-2.7.1-patch-1
     source-map "^0.7.3"
 
-"@endo/captp@^3.1.1":
+"@endo/captp@3.1.1":
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/@endo/captp/-/captp-3.1.1.tgz#538cdb7deec694cfce1015e1ccb387270172642d"
   integrity sha512-M+EiRxtm5xzKmZtOQmTtk5IfscPUKGSDGhmcxGTm4g4WvukFKSAB8hLHAbeurLaWVQG/ZcqZBffAZL/SGUZbmw==
@@ -1354,7 +1354,7 @@
     "@endo/nat" "^4.1.27"
     "@endo/promise-kit" "^0.2.56"
 
-"@endo/check-bundle@^0.2.18":
+"@endo/check-bundle@0.2.18":
   version "0.2.18"
   resolved "https://registry.yarnpkg.com/@endo/check-bundle/-/check-bundle-0.2.18.tgz#0880f4237dbc1c72c292aab3eccd7b1c20506a97"
   integrity sha512-PQB8ACM6ukv8dihzvqyfnHaKNr/+pKdJKmtZSxBvPmyBR4VnmLRSeTWMgMKnnmd27AyYN7vxdvKrL+qZDMA4RQ==
@@ -1367,7 +1367,7 @@
   resolved "https://registry.yarnpkg.com/@endo/cjs-module-analyzer/-/cjs-module-analyzer-0.2.31.tgz#baf37a8f7eb6781a0c5780da5d1375e0fe6ad3f1"
   integrity sha512-0/BHR1UWN0FpKDUnmuCBd6UQV8QkQ97809iZQ4VIs1faxtAx/z2iZCNnkC3qFOPrurYSp31YbmHDfWsTDYrQ3A==
 
-"@endo/compartment-mapper@^0.8.4":
+"@endo/compartment-mapper@0.8.4", "@endo/compartment-mapper@^0.8.4":
   version "0.8.4"
   resolved "https://registry.yarnpkg.com/@endo/compartment-mapper/-/compartment-mapper-0.8.4.tgz#afae6a4dfc64dff7082e90d7f215a072fb0a9b85"
   integrity sha512-OXK3pfsFWa+k6I1sA4UH+XBsXyCd1G8YEJo0PYsHyzErDSnVYQZ8Ka+M+8Jq8jJtE4SFqZqp1KwihCvMJSA6oA==
@@ -1377,7 +1377,7 @@
     "@endo/zip" "^0.2.31"
     ses "^0.18.4"
 
-"@endo/eslint-plugin@^0.4.3":
+"@endo/eslint-plugin@0.4.3":
   version "0.4.3"
   resolved "https://registry.yarnpkg.com/@endo/eslint-plugin/-/eslint-plugin-0.4.3.tgz#aa53784b9f2f45a4384cb59efeabc33e2709ec75"
   integrity sha512-VNQHwdGtdJokQshjWwJsd2xAZb8KDHd/kO7/yF+i214CukF4ODOH/k3UFR14MHCTiTisVwvAOSrhPbyUVN7Rew==
@@ -1387,12 +1387,12 @@
     tsutils "~3.21.0"
     typescript "~4.9.5"
 
-"@endo/eventual-send@^0.17.2":
+"@endo/eventual-send@0.17.2", "@endo/eventual-send@^0.17.2":
   version "0.17.2"
   resolved "https://registry.yarnpkg.com/@endo/eventual-send/-/eventual-send-0.17.2.tgz#c8710d557c2f57723be05fe99e941cd893acc5d2"
   integrity sha512-nux02l2yYXXUeUA2PigOO1K0gbVVMYx3prfYrW/G7Ny6PiDLtOyaeMWwKQwFTgJV2yAkOfvycr4LC1+tm7hu/Q==
 
-"@endo/exo@^0.2.2":
+"@endo/exo@0.2.2":
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/@endo/exo/-/exo-0.2.2.tgz#eeebe3eeb40dcf9b409fddf8d5ff73821b470515"
   integrity sha512-4787jRJe7nQLV02mCCd1fQ8Ai25ParaIzLBUrxl7UKtsP98LcTlQKAON+OQmnSbV6jjXINa/wHdUeoi8/0xZDA==
@@ -1400,7 +1400,7 @@
     "@endo/far" "^0.2.18"
     "@endo/patterns" "^0.2.2"
 
-"@endo/far@^0.2.18", "@endo/far@^0.2.3":
+"@endo/far@0.2.18", "@endo/far@^0.2.18", "@endo/far@^0.2.3":
   version "0.2.18"
   resolved "https://registry.yarnpkg.com/@endo/far/-/far-0.2.18.tgz#8d8ca8ac1f7c4b57871e55c2c2f06c8e4fcf3839"
   integrity sha512-NJPz5x11AOsFgxZNSIW4+llQtSUNQtcYCrvxpMwhofti3hncMjhIiUUrMVggw99pdHNmXEBr0gl16H3n/1X0sw==
@@ -1408,7 +1408,7 @@
     "@endo/eventual-send" "^0.17.2"
     "@endo/pass-style" "^0.1.3"
 
-"@endo/import-bundle@^0.3.4":
+"@endo/import-bundle@0.3.4":
   version "0.3.4"
   resolved "https://registry.yarnpkg.com/@endo/import-bundle/-/import-bundle-0.3.4.tgz#dd93dca2aa595f669365f05d03affd4465837919"
   integrity sha512-MjB7VBJYFgcUhelMddJQf9uMwxqXV1McjVGqoJ3ZJ/OIQZ5BTYqR+uyZOI8CaUqpVmhNbsg3qMw8/wXW304YlA==
@@ -1416,7 +1416,7 @@
     "@endo/base64" "^0.2.31"
     "@endo/compartment-mapper" "^0.8.4"
 
-"@endo/init@^0.5.56":
+"@endo/init@0.5.56", "@endo/init@^0.5.56":
   version "0.5.56"
   resolved "https://registry.yarnpkg.com/@endo/init/-/init-0.5.56.tgz#c241de519434309f362dc676e76ee36c93240151"
   integrity sha512-BKA7O2uy9uaGw9dB9X515SIaTumaO58HD30AXkJllW6bmLM/BxxFM3GCgS127x0Wot1ni32Y0DxkwxdEXFXJEQ==
@@ -1426,14 +1426,14 @@
     "@endo/lockdown" "^0.1.28"
     "@endo/promise-kit" "^0.2.56"
 
-"@endo/lockdown@^0.1.28":
+"@endo/lockdown@0.1.28", "@endo/lockdown@^0.1.28":
   version "0.1.28"
   resolved "https://registry.yarnpkg.com/@endo/lockdown/-/lockdown-0.1.28.tgz#43f23dcbb12b6ebd3ad2a3dc8c6bb3609dd9e95f"
   integrity sha512-YqurtDU23+0kuWq4J2c94HyRB1aqSB8xEwrx5xTZA9IY/anrtppEiTFGU8tQXqZFhE6bfRzSGWDIVKaXCcm4Lw==
   dependencies:
     ses "^0.18.4"
 
-"@endo/marshal@^0.8.5":
+"@endo/marshal@0.8.5", "@endo/marshal@^0.8.5":
   version "0.8.5"
   resolved "https://registry.yarnpkg.com/@endo/marshal/-/marshal-0.8.5.tgz#c1a10ed4d9b37ee7444d314d8dec9a9a96728d64"
   integrity sha512-oj2Ag/TlkoMPv8m00fjoa1uWPgDwm5w8nYUU0DPqaCLfTNGRe8a8s7kYDPbv+sQdiQbkZ1RgUQjdyr/O2Mvs+A==
@@ -1443,12 +1443,12 @@
     "@endo/pass-style" "^0.1.3"
     "@endo/promise-kit" "^0.2.56"
 
-"@endo/nat@^4.1.27":
+"@endo/nat@4.1.27", "@endo/nat@^4.1.27":
   version "4.1.27"
   resolved "https://registry.yarnpkg.com/@endo/nat/-/nat-4.1.27.tgz#8f1a398b39f994b0769070a3fb36d3397bf86794"
   integrity sha512-mKRdIc4NvrxZ1qPBcYZH6zaj0RsRwADaCcfPNRnGWcHC9dY8DmZDDcgqNdSBFLiEto1RnXeoKAEGxk6hn253Ow==
 
-"@endo/netstring@^0.3.26":
+"@endo/netstring@0.3.26":
   version "0.3.26"
   resolved "https://registry.yarnpkg.com/@endo/netstring/-/netstring-0.3.26.tgz#7da8338cb372772894e1ebcc0728b23666fa2c89"
   integrity sha512-IT3epH32/jLiNBwKhM+7BRjm0OwFjRooeQyymfGZUKGN95fm+hKHEbm8pDmWT8bnwSzHB++wsaQJTpi39U+obg==
@@ -1457,7 +1457,7 @@
     "@endo/stream" "^0.3.25"
     ses "^0.18.4"
 
-"@endo/pass-style@^0.1.3":
+"@endo/pass-style@0.1.3", "@endo/pass-style@^0.1.3":
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/@endo/pass-style/-/pass-style-0.1.3.tgz#951056a2869b04f2aab0928b61a91ae7252ddbe4"
   integrity sha512-V2FLPBUJXsJYWjMSoZW2IopOuggEX14pm8AHfOVXUceF3uvHbdJj7qwKAuIIOhPApZ/TV+6nWYi86eb393Ic2w==
@@ -1465,7 +1465,7 @@
     "@endo/promise-kit" "^0.2.56"
     "@fast-check/ava" "^1.1.3"
 
-"@endo/patterns@^0.2.2":
+"@endo/patterns@0.2.2", "@endo/patterns@^0.2.2":
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/@endo/patterns/-/patterns-0.2.2.tgz#d4c4d63bf450477ed9a9cf194b4a8daa56fcb4f4"
   integrity sha512-rbS4BLRohZQhB+0aEPBoxmzOfOie9nAu8Qx55Fxe8xFQKS4k9acafeIYmKh9nvslEJISYQmogy5Lewm5mgdSjg==
@@ -1474,14 +1474,14 @@
     "@endo/marshal" "^0.8.5"
     "@endo/promise-kit" "^0.2.56"
 
-"@endo/promise-kit@^0.2.56":
+"@endo/promise-kit@0.2.56", "@endo/promise-kit@^0.2.56":
   version "0.2.56"
   resolved "https://registry.yarnpkg.com/@endo/promise-kit/-/promise-kit-0.2.56.tgz#24ed3cf87af1eec65f4635643b7e67617b909e71"
   integrity sha512-eKlOg353jJCHwDAwXCajtcAiTTjGkd7oWBXniEEc97gZHK83MeB3pnGT2lhoeq3xzdNw3Xv2DDsowBI194AXeA==
   dependencies:
     ses "^0.18.4"
 
-"@endo/ses-ava@^0.2.40":
+"@endo/ses-ava@0.2.40":
   version "0.2.40"
   resolved "https://registry.yarnpkg.com/@endo/ses-ava/-/ses-ava-0.2.40.tgz#8a6c1f668131ecbe4d06339cac2a8346253089b8"
   integrity sha512-YIiAPuUfjS5dzyqeiV36FASv4YiSdkRzdxXbntNTBdOvdDymbT37SMkG0mUxD5YZRQuKMTu9xQyaGYSRqf8zaw==
@@ -1499,7 +1499,7 @@
     "@babel/types" "^7.17.0"
     ses "^0.18.4"
 
-"@endo/stream-node@^0.2.26":
+"@endo/stream-node@0.2.26":
   version "0.2.26"
   resolved "https://registry.yarnpkg.com/@endo/stream-node/-/stream-node-0.2.26.tgz#bf3c6ce6c506cde4468a64d220b8df4224638e16"
   integrity sha512-+UUr1/wZZIWz3KhuAwQr9HPsZv5P8zykw+z1aVFDckTMcdKRyK8yxSg35iEcntvyZoP40LEdnArCXuuEWjm0qw==
@@ -1508,7 +1508,7 @@
     "@endo/stream" "^0.3.25"
     ses "^0.18.4"
 
-"@endo/stream@^0.3.25":
+"@endo/stream@0.3.25", "@endo/stream@^0.3.25":
   version "0.3.25"
   resolved "https://registry.yarnpkg.com/@endo/stream/-/stream-0.3.25.tgz#a49b012b62f345e3de6b360dc30ec27cc32a455f"
   integrity sha512-qSl9Q9o20/4nKdXlXYCs6KJfeANMKBLrsi7JIxWV1jP9YzIDdq/PkEJsMNq89Z/HWXtPRfEQ4JEMd3O1WBYU5Q==
@@ -1517,7 +1517,7 @@
     "@endo/promise-kit" "^0.2.56"
     ses "^0.18.4"
 
-"@endo/zip@^0.2.31":
+"@endo/zip@0.2.31", "@endo/zip@^0.2.31":
   version "0.2.31"
   resolved "https://registry.yarnpkg.com/@endo/zip/-/zip-0.2.31.tgz#371b1a9ca8b3216ad8a3564e97e3d747be42a657"
   integrity sha512-rNCZtQzPm6Q8kW69gyeU0hUwKZtwuR8cX1+URgpDuUuaMUbKWBaqURKOmrqKVtE5fkqCE7pSrHvGH02DMDbDHQ==