diff --git a/apps/hash-ai-worker-ts/package.json b/apps/hash-ai-worker-ts/package.json
index 3fee6415ae4..a6d5a856696 100644
--- a/apps/hash-ai-worker-ts/package.json
+++ b/apps/hash-ai-worker-ts/package.json
@@ -103,7 +103,7 @@
     "@types/lodash.pickby": "4.6.9",
     "@types/md5": "2.3.5",
     "@types/mime-types": "2.1.4",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/papaparse": "5.3.14",
     "@types/sanitize-html": "2.13.0",
     "@vitest/coverage-istanbul": "2.1.1",
diff --git a/apps/hash-realtime/package.json b/apps/hash-realtime/package.json
index d4b29d8786c..87dd99d44cf 100644
--- a/apps/hash-realtime/package.json
+++ b/apps/hash-realtime/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@local/eslint-config": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/set-interval-async": "1.0.3",
     "eslint": "8.57.0"
   }
diff --git a/apps/hash-search-loader/package.json b/apps/hash-search-loader/package.json
index ce06f498311..817da95df3c 100644
--- a/apps/hash-search-loader/package.json
+++ b/apps/hash-search-loader/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@local/eslint-config": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "eslint": "8.57.0"
   }
 }
diff --git a/apps/hashdotdev/package.json b/apps/hashdotdev/package.json
index c73f4892267..26a46925dcc 100644
--- a/apps/hashdotdev/package.json
+++ b/apps/hashdotdev/package.json
@@ -72,7 +72,7 @@
     "@types/gtag.js": "0.0.20",
     "@types/html-to-text": "9.0.4",
     "@types/md5": "2.3.5",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/prismjs": "1.26.4",
     "@types/react": "18.2.68",
     "@types/react-dom": "18.2.25",
diff --git a/libs/@blockprotocol/graph/package.json b/libs/@blockprotocol/graph/package.json
index eb3b6e0560c..c292ccfdf6c 100644
--- a/libs/@blockprotocol/graph/package.json
+++ b/libs/@blockprotocol/graph/package.json
@@ -78,7 +78,7 @@
     "@local/eslint-config": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@types/lodash.isequal": "4.5.8",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/react": "18.2.68",
     "eslint": "8.57.0",
     "rimraf": "6.0.1"
diff --git a/libs/@blockprotocol/type-system/typescript/package.json b/libs/@blockprotocol/type-system/typescript/package.json
index 498baf08e6d..b13e81f6fbb 100644
--- a/libs/@blockprotocol/type-system/typescript/package.json
+++ b/libs/@blockprotocol/type-system/typescript/package.json
@@ -59,7 +59,7 @@
     "@rollup/plugin-node-resolve": "15.2.4",
     "@rollup/plugin-typescript": "11.1.6",
     "@rollup/plugin-wasm": "6.2.2",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/react": "18.2.68",
     "@vitest/coverage-istanbul": "2.1.1",
     "eslint": "8.57.0",
diff --git a/libs/@local/hash-backend-utils/package.json b/libs/@local/hash-backend-utils/package.json
index bc628220f3c..2a765f54979 100644
--- a/libs/@local/hash-backend-utils/package.json
+++ b/libs/@local/hash-backend-utils/package.json
@@ -59,7 +59,7 @@
     "@local/eslint-config": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@types/dotenv-flow": "3.3.3",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/wait-on": "5.3.4",
     "@vitest/coverage-istanbul": "2.1.1",
     "eslint": "8.57.0",
diff --git a/libs/@local/hash-graph-client/typescript/package.json b/libs/@local/hash-graph-client/typescript/package.json
index 6134c8d56b0..e7911627d88 100644
--- a/libs/@local/hash-graph-client/typescript/package.json
+++ b/libs/@local/hash-graph-client/typescript/package.json
@@ -20,7 +20,7 @@
     "@local/tsconfig": "0.0.0-private",
     "@redocly/cli": "1.25.3",
     "@rust/graph-api": "0.0.0-private",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "eslint": "8.57.0",
     "fix-esm-import-path": "1.10.0",
     "rimraf": "6.0.1",
diff --git a/libs/@local/hash-isomorphic-utils/package.json b/libs/@local/hash-isomorphic-utils/package.json
index a4eab7f59d8..5f515adee08 100644
--- a/libs/@local/hash-isomorphic-utils/package.json
+++ b/libs/@local/hash-isomorphic-utils/package.json
@@ -64,7 +64,7 @@
     "@local/tsconfig": "0.0.0-private",
     "@temporalio/workflow": "1.10.1",
     "@types/lodash-es": "4.17.12",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/pluralize": "0.0.33",
     "@vitest/coverage-istanbul": "2.1.1",
     "eslint": "8.57.0",
diff --git a/libs/@local/internal-api-client/typescript/package.json b/libs/@local/internal-api-client/typescript/package.json
index 0d468c54b02..c3a482bf00f 100644
--- a/libs/@local/internal-api-client/typescript/package.json
+++ b/libs/@local/internal-api-client/typescript/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "@local/eslint-config": "0.0.0-private",
     "@openapitools/openapi-generator-cli": "2.13.9",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "eslint": "8.57.0",
     "rimraf": "6.0.1",
     "typescript": "5.6.2"
diff --git a/libs/@local/status/typescript/package.json b/libs/@local/status/typescript/package.json
index 3400b81e2b1..dc5ebbcc150 100644
--- a/libs/@local/status/typescript/package.json
+++ b/libs/@local/status/typescript/package.json
@@ -25,7 +25,7 @@
     "@local/eslint-config": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@types/lodash-es": "4.17.12",
-    "@types/node": "20.16.5",
+    "@types/node": "20.16.6",
     "@types/yargs": "17.0.33",
     "eslint": "8.57.0",
     "quicktype": "16.0.43",
diff --git a/yarn.lock b/yarn.lock
index 5b322f1eeff..f0e065f77c1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11065,10 +11065,10 @@
     "@types/node" "*"
     form-data "^4.0.0"
 
-"@types/node@*", "@types/node@20.16.5", "@types/node@>=13.7.0", "@types/node@^20.11.20", "@types/node@^20.12.7":
-  version "20.16.5"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.16.5.tgz#d43c7f973b32ffdf9aa7bd4f80e1072310fd7a53"
-  integrity sha512-VwYCweNo3ERajwy0IUlqqcyZ8/A7Zwa9ZP3MnENWcB11AejO+tLy3pu850goUW2FC/IJMdZUfKpX/yxL1gymCA==
+"@types/node@*", "@types/node@20.16.6", "@types/node@>=13.7.0", "@types/node@^20.11.20", "@types/node@^20.12.7":
+  version "20.16.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.16.6.tgz#0bf99fcebcee68ecdc2c45b160a10a0fe5c652b8"
+  integrity sha512-T7PpxM/6yeDE+AdlVysT62BX6/bECZOmQAgiFg5NoBd5MQheZ3tzal7f1wvzfiEcmrcJNRi2zRr2nY2zF+0uqw==
   dependencies:
     undici-types "~6.19.2"