diff --git a/package-lock.json b/package-lock.json
index 77c3708..993faa3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@mathigon/fermat": "1.1.23"
       },
       "devDependencies": {
-        "@types/tape": "5.6.4",
+        "@types/tape": "5.7.0",
         "@typescript-eslint/eslint-plugin": "8.14.0",
         "@typescript-eslint/parser": "8.14.0",
         "esbuild": "0.24.0",
@@ -687,22 +687,14 @@
       "dev": true
     },
     "node_modules/@types/tape": {
-      "version": "5.6.4",
-      "resolved": "https://registry.npmjs.org/@types/tape/-/tape-5.6.4.tgz",
-      "integrity": "sha512-EmL4fJpZyByNCkupLLcJhneqcnT+rQUG5fWKNCsZyBK1x7nUuDTwwEerc4biEMZgvSK2+FXr775aLeXhKXK4Yw==",
+      "version": "5.7.0",
+      "resolved": "https://registry.npmjs.org/@types/tape/-/tape-5.7.0.tgz",
+      "integrity": "sha512-P6R12Ycyfft/M1PSOBaJtDdiFq5TxDST+DTMRKXm78gHFR8VideyKQ7mgvffxylJQAKtt3Mywa2Bmj8ZdpMLEg==",
       "dev": true,
       "dependencies": {
+        "@ljharb/through": "*",
         "@types/node": "*",
-        "@types/through": "*"
-      }
-    },
-    "node_modules/@types/through": {
-      "version": "0.0.30",
-      "resolved": "https://registry.npmjs.org/@types/through/-/through-0.0.30.tgz",
-      "integrity": "sha512-FvnCJljyxhPM3gkRgWmxmDZyAQSiBQQWLI0A0VFL0K7W1oRUrPJSqNO0NvTnLkBcotdlp3lKvaT0JrnyRDkzOg==",
-      "dev": true,
-      "dependencies": {
-        "@types/node": "*"
+        "mock-property": "*"
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
@@ -4163,22 +4155,14 @@
       "dev": true
     },
     "@types/tape": {
-      "version": "5.6.4",
-      "resolved": "https://registry.npmjs.org/@types/tape/-/tape-5.6.4.tgz",
-      "integrity": "sha512-EmL4fJpZyByNCkupLLcJhneqcnT+rQUG5fWKNCsZyBK1x7nUuDTwwEerc4biEMZgvSK2+FXr775aLeXhKXK4Yw==",
+      "version": "5.7.0",
+      "resolved": "https://registry.npmjs.org/@types/tape/-/tape-5.7.0.tgz",
+      "integrity": "sha512-P6R12Ycyfft/M1PSOBaJtDdiFq5TxDST+DTMRKXm78gHFR8VideyKQ7mgvffxylJQAKtt3Mywa2Bmj8ZdpMLEg==",
       "dev": true,
       "requires": {
+        "@ljharb/through": "*",
         "@types/node": "*",
-        "@types/through": "*"
-      }
-    },
-    "@types/through": {
-      "version": "0.0.30",
-      "resolved": "https://registry.npmjs.org/@types/through/-/through-0.0.30.tgz",
-      "integrity": "sha512-FvnCJljyxhPM3gkRgWmxmDZyAQSiBQQWLI0A0VFL0K7W1oRUrPJSqNO0NvTnLkBcotdlp3lKvaT0JrnyRDkzOg==",
-      "dev": true,
-      "requires": {
-        "@types/node": "*"
+        "mock-property": "*"
       }
     },
     "@typescript-eslint/eslint-plugin": {
diff --git a/package.json b/package.json
index 993b66b..e41782e 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "@mathigon/fermat": "1.1.23"
   },
   "devDependencies": {
-    "@types/tape": "5.6.4",
+    "@types/tape": "5.7.0",
     "@typescript-eslint/eslint-plugin": "8.14.0",
     "@typescript-eslint/parser": "8.14.0",
     "esbuild": "0.24.0",