diff --git a/httui-desktop/package.json b/httui-desktop/package.json
index d7ce3de7..3485b6e0 100644
--- a/httui-desktop/package.json
+++ b/httui-desktop/package.json
@@ -22,7 +22,7 @@
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.2",
     "@testing-library/user-event": "^14.6.1",
-    "@types/node": "^25.8.0",
+    "@types/node": "^25.9.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.2",
diff --git a/httui-sidecar/package.json b/httui-sidecar/package.json
index 8a04cc37..60de1986 100644
--- a/httui-sidecar/package.json
+++ b/httui-sidecar/package.json
@@ -12,7 +12,7 @@
     "@anthropic-ai/claude-agent-sdk": "^0.1.0"
   },
   "devDependencies": {
-    "@types/node": "^25.8.0",
+    "@types/node": "^25.9.0",
     "typescript": "^6.0.3"
   }
 }
diff --git a/package-lock.json b/package-lock.json
index edda282b..1714a40c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -65,7 +65,7 @@
         "@testing-library/jest-dom": "^6.9.1",
         "@testing-library/react": "^16.3.2",
         "@testing-library/user-event": "^14.6.1",
-        "@types/node": "^25.8.0",
+        "@types/node": "^25.9.0",
         "@types/react": "^19.2.14",
         "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^6.0.2",
@@ -91,7 +91,7 @@
         "@anthropic-ai/claude-agent-sdk": "^0.1.0"
       },
       "devDependencies": {
-        "@types/node": "^25.8.0",
+        "@types/node": "^25.9.0",
         "typescript": "^6.0.3"
       }
     },
@@ -4122,9 +4122,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.8.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.8.0.tgz",
-      "integrity": "sha512-TCFSk8IZh+iLX1xtksoBVtdmgL+1IX0fC9BeU4QqFSuNdN/K+HUlhqOzEmSYYpZUVsLYcPqc9KX+60iDuninSQ==",
+      "version": "25.9.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.0.tgz",
+      "integrity": "sha512-AOQwYUNolgy3VosiRqXrACUXTN8nJUtPl7FJXMqZVyxiiCLhQuG3jXKvCS1ALr+Y2OmZhzzLVlYPEqJaiqkaJQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {