diff --git a/code/addons/a11y/package.json b/code/addons/a11y/package.json
index 3d686e99ed60..c84ecc818548 100644
--- a/code/addons/a11y/package.json
+++ b/code/addons/a11y/package.json
@@ -38,7 +38,8 @@
     },
     "./manager": "./dist/manager.js",
     "./register": "./dist/manager.js",
-    "./package.json": "./package.json"
+    "./package.json": "./package.json",
+    "./postinstall": "./dist/postinstall.js"
   },
   "main": "dist/index.js",
   "module": "dist/index.mjs",
@@ -74,6 +75,7 @@
     "@storybook/global": "^5.0.0",
     "@storybook/icons": "^1.2.12",
     "@testing-library/react": "^14.0.0",
+    "execa": "^9.5.2",
     "picocolors": "^1.1.0",
     "pretty-format": "^29.7.0",
     "react": "^18.2.0",
@@ -97,6 +99,9 @@
     ],
     "previewEntries": [
       "./src/preview.tsx"
+    ],
+    "nodeEntries": [
+      "./src/postinstall.ts"
     ]
   },
   "gitHead": "e6a7fd8a655c69780bc20b9749c2699e44beae16",
diff --git a/code/addons/a11y/src/postinstall.ts b/code/addons/a11y/src/postinstall.ts
new file mode 100644
index 000000000000..9a64796f5e1b
--- /dev/null
+++ b/code/addons/a11y/src/postinstall.ts
@@ -0,0 +1,15 @@
+import type { PostinstallOptions } from '@storybook/cli/src/add';
+
+// eslint-disable-next-line depend/ban-dependencies
+import { execa } from 'execa';
+
+const $ = execa({
+  preferLocal: true,
+  stdio: 'inherit',
+  // we stream the stderr to the console
+  reject: false,
+});
+
+export default async function postinstall(options: PostinstallOptions) {
+  await $`storybook automigrate addonA11yAddonTest ${options.yes ? '--yes' : ''}`;
+}
diff --git a/code/yarn.lock b/code/yarn.lock
index 32615bb80a66..5cdda7b09462 100644
--- a/code/yarn.lock
+++ b/code/yarn.lock
@@ -5403,6 +5403,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sec-ant/readable-stream@npm:^0.4.1":
+  version: 0.4.1
+  resolution: "@sec-ant/readable-stream@npm:0.4.1"
+  checksum: 10c0/64e9e9cf161e848067a5bf60cdc04d18495dc28bb63a8d9f8993e4dd99b91ad34e4b563c85de17d91ffb177ec17a0664991d2e115f6543e73236a906068987af
+  languageName: node
+  linkType: hard
+
 "@sideway/address@npm:^4.1.3":
   version: 4.1.4
   resolution: "@sideway/address@npm:4.1.4"
@@ -5496,6 +5503,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sindresorhus/merge-streams@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "@sindresorhus/merge-streams@npm:4.0.0"
+  checksum: 10c0/482ee543629aa1933b332f811a1ae805a213681ecdd98c042b1c1b89387df63e7812248bb4df3910b02b3cc5589d3d73e4393f30e197c9dde18046ccd471fc6b
+  languageName: node
+  linkType: hard
+
 "@storybook/addon-a11y@workspace:*, @storybook/addon-a11y@workspace:addons/a11y":
   version: 0.0.0-use.local
   resolution: "@storybook/addon-a11y@workspace:addons/a11y"
@@ -5506,6 +5520,7 @@ __metadata:
     "@storybook/test": "workspace:*"
     "@testing-library/react": "npm:^14.0.0"
     axe-core: "npm:^4.2.0"
+    execa: "npm:^9.5.2"
     picocolors: "npm:^1.1.0"
     pretty-format: "npm:^29.7.0"
     react: "npm:^18.2.0"
@@ -15392,6 +15407,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"execa@npm:^9.5.2":
+  version: 9.5.2
+  resolution: "execa@npm:9.5.2"
+  dependencies:
+    "@sindresorhus/merge-streams": "npm:^4.0.0"
+    cross-spawn: "npm:^7.0.3"
+    figures: "npm:^6.1.0"
+    get-stream: "npm:^9.0.0"
+    human-signals: "npm:^8.0.0"
+    is-plain-obj: "npm:^4.1.0"
+    is-stream: "npm:^4.0.1"
+    npm-run-path: "npm:^6.0.0"
+    pretty-ms: "npm:^9.0.0"
+    signal-exit: "npm:^4.1.0"
+    strip-final-newline: "npm:^4.0.0"
+    yoctocolors: "npm:^2.0.0"
+  checksum: 10c0/94782a6282e03253224406c29068d18f9095cc251a45d1f19ac3d8f2a9db2cbe32fb8ceb039db1451d8fce3531135a6c0c559f76d634f85416268fc4a6995365
+  languageName: node
+  linkType: hard
+
 "exectimer@npm:^2.2.2":
   version: 2.2.2
   resolution: "exectimer@npm:2.2.2"
@@ -15702,6 +15737,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"figures@npm:^6.1.0":
+  version: 6.1.0
+  resolution: "figures@npm:6.1.0"
+  dependencies:
+    is-unicode-supported: "npm:^2.0.0"
+  checksum: 10c0/9159df4264d62ef447a3931537de92f5012210cf5135c35c010df50a2169377581378149abfe1eb238bd6acbba1c0d547b1f18e0af6eee49e30363cedaffcfe4
+  languageName: node
+  linkType: hard
+
 "file-entry-cache@npm:^6.0.1":
   version: 6.0.1
   resolution: "file-entry-cache@npm:6.0.1"
@@ -16556,6 +16600,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"get-stream@npm:^9.0.0":
+  version: 9.0.1
+  resolution: "get-stream@npm:9.0.1"
+  dependencies:
+    "@sec-ant/readable-stream": "npm:^0.4.1"
+    is-stream: "npm:^4.0.1"
+  checksum: 10c0/d70e73857f2eea1826ac570c3a912757dcfbe8a718a033fa0c23e12ac8e7d633195b01710e0559af574cbb5af101009b42df7b6f6b29ceec8dbdf7291931b948
+  languageName: node
+  linkType: hard
+
 "get-symbol-description@npm:^1.0.2":
   version: 1.0.2
   resolution: "get-symbol-description@npm:1.0.2"
@@ -17592,6 +17646,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"human-signals@npm:^8.0.0":
+  version: 8.0.0
+  resolution: "human-signals@npm:8.0.0"
+  checksum: 10c0/e4dac4f7d3eb791ed04129fc6a85bd454a9102d3e3b76c911d0db7057ebd60b2956b435b5b5712aec18960488ede3c21ef7c56e42cdd70760c0d84d3c05cd92e
+  languageName: node
+  linkType: hard
+
 "humanize-ms@npm:^1.2.1":
   version: 1.2.1
   resolution: "humanize-ms@npm:1.2.1"
@@ -18372,7 +18433,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"is-plain-obj@npm:^4.0.0":
+"is-plain-obj@npm:^4.0.0, is-plain-obj@npm:^4.1.0":
   version: 4.1.0
   resolution: "is-plain-obj@npm:4.1.0"
   checksum: 10c0/32130d651d71d9564dc88ba7e6fda0e91a1010a3694648e9f4f47bb6080438140696d3e3e15c741411d712e47ac9edc1a8a9de1fe76f3487b0d90be06ac9975e
@@ -18458,6 +18519,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"is-stream@npm:^4.0.1":
+  version: 4.0.1
+  resolution: "is-stream@npm:4.0.1"
+  checksum: 10c0/2706c7f19b851327ba374687bc4a3940805e14ca496dc672b9629e744d143b1ad9c6f1b162dece81c7bfbc0f83b32b61ccc19ad2e05aad2dd7af347408f60c7f
+  languageName: node
+  linkType: hard
+
 "is-string@npm:^1.0.5, is-string@npm:^1.0.7":
   version: 1.0.7
   resolution: "is-string@npm:1.0.7"
@@ -18492,6 +18560,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"is-unicode-supported@npm:^2.0.0":
+  version: 2.1.0
+  resolution: "is-unicode-supported@npm:2.1.0"
+  checksum: 10c0/a0f53e9a7c1fdbcf2d2ef6e40d4736fdffff1c9f8944c75e15425118ff3610172c87bf7bc6c34d3903b04be59790bb2212ddbe21ee65b5a97030fc50370545a5
+  languageName: node
+  linkType: hard
+
 "is-weakmap@npm:^2.0.1":
   version: 2.0.1
   resolution: "is-weakmap@npm:2.0.1"
@@ -22103,6 +22178,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"npm-run-path@npm:^6.0.0":
+  version: 6.0.0
+  resolution: "npm-run-path@npm:6.0.0"
+  dependencies:
+    path-key: "npm:^4.0.0"
+    unicorn-magic: "npm:^0.3.0"
+  checksum: 10c0/b223c8a0dcd608abf95363ea5c3c0ccc3cd877daf0102eaf1b0f2390d6858d8337fbb7c443af2403b067a7d2c116d10691ecd22ab3c5273c44da1ff8d07753bd
+  languageName: node
+  linkType: hard
+
 "npmlog@npm:^6.0.0":
   version: 6.0.2
   resolution: "npmlog@npm:6.0.2"
@@ -22847,6 +22932,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"parse-ms@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "parse-ms@npm:4.0.0"
+  checksum: 10c0/a7900f4f1ebac24cbf5e9708c16fb2fd482517fad353aecd7aefb8c2ba2f85ce017913ccb8925d231770404780df46244ea6fec598b3bde6490882358b4d2d16
+  languageName: node
+  linkType: hard
+
 "parse-node-version@npm:^1.0.1":
   version: 1.0.1
   resolution: "parse-node-version@npm:1.0.1"
@@ -23689,6 +23781,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pretty-ms@npm:^9.0.0":
+  version: 9.2.0
+  resolution: "pretty-ms@npm:9.2.0"
+  dependencies:
+    parse-ms: "npm:^4.0.0"
+  checksum: 10c0/ab6d066f90e9f77020426986e1b018369f41575674544c539aabec2e63a20fec01166d8cf6571d0e165ad11cfe5a8134a2a48a36d42ab291c59c6deca5264cbb
+  languageName: node
+  linkType: hard
+
 "prettyjson@npm:^1.2.1":
   version: 1.2.5
   resolution: "prettyjson@npm:1.2.5"
@@ -27003,6 +27104,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"strip-final-newline@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "strip-final-newline@npm:4.0.0"
+  checksum: 10c0/b0cf2b62d597a1b0e3ebc42b88767f0a0d45601f89fd379a928a1812c8779440c81abba708082c946445af1d6b62d5f16e2a7cf4f30d9d6587b89425fae801ff
+  languageName: node
+  linkType: hard
+
 "strip-indent@npm:^3.0.0":
   version: 3.0.0
   resolution: "strip-indent@npm:3.0.0"
@@ -28216,6 +28324,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"unicorn-magic@npm:^0.3.0":
+  version: 0.3.0
+  resolution: "unicorn-magic@npm:0.3.0"
+  checksum: 10c0/0a32a997d6c15f1c2a077a15b1c4ca6f268d574cf5b8975e778bb98e6f8db4ef4e86dfcae4e158cd4c7e38fb4dd383b93b13eefddc7f178dea13d3ac8a603271
+  languageName: node
+  linkType: hard
+
 "unified-args@npm:^11.0.0":
   version: 11.0.1
   resolution: "unified-args@npm:11.0.1"
@@ -30220,6 +30335,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"yoctocolors@npm:^2.0.0":
+  version: 2.1.1
+  resolution: "yoctocolors@npm:2.1.1"
+  checksum: 10c0/85903f7fa96f1c70badee94789fade709f9d83dab2ec92753d612d84fcea6d34c772337a9f8914c6bed2f5fc03a428ac5d893e76fab636da5f1236ab725486d0
+  languageName: node
+  linkType: hard
+
 "zimmerframe@npm:^1.1.2":
   version: 1.1.2
   resolution: "zimmerframe@npm:1.1.2"