diff --git a/libs/@blockprotocol/type-system/typescript/package.json b/libs/@blockprotocol/type-system/typescript/package.json
index 76aa8be1835..1d7f270ce54 100644
--- a/libs/@blockprotocol/type-system/typescript/package.json
+++ b/libs/@blockprotocol/type-system/typescript/package.json
@@ -57,7 +57,7 @@
   "devDependencies": {
     "@local/eslint": "workspace:*",
     "@local/tsconfig": "workspace:*",
-    "@rollup/plugin-commonjs": "29.0.0",
+    "@rollup/plugin-commonjs": "29.0.3",
     "@rollup/plugin-node-resolve": "16.0.3",
     "@rollup/plugin-typescript": "12.3.0",
     "@rollup/plugin-wasm": "6.2.2",
@@ -68,7 +68,7 @@
     "eslint": "9.39.4",
     "react": "19.2.6",
     "rimraf": "6.1.3",
-    "rollup": "4.59.0",
+    "rollup": "4.62.0",
     "tslib": "2.8.1",
     "tsx": "4.20.6",
     "typescript": "5.9.3",