diff --git a/package-lock.json b/package-lock.json
index d321072..f3a7458 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "openai": "^6.38.0"
       },
       "devDependencies": {
-        "@types/node": "^20.0.0",
+        "@types/node": "^25.9.1",
         "@types/vscode": "^1.95.0",
         "@vscode/codicons": "^0.0.45",
         "@vscode/vsce": "^2.24.0",
@@ -1036,13 +1036,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.19.40",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.40.tgz",
-      "integrity": "sha512-xxx6M2IpSTnnKcR0cMvIiohkiCx20/oRPtWGbenFygKCGl3zqUzdNjQ/1V4solq1LU+dgv0nQzeGOuqkqZGg0Q==",
+      "version": "25.9.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.1.tgz",
+      "integrity": "sha512-xfrlY7UD5rMJk3ZVJP8BNzS28J36YJg+xp+LPXV1TdWxr8uMH5A860QNxYDGQe/ylDSgjxE52Q9VnO7p75tJxg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": ">=7.24.0 <7.24.7"
       }
     },
     "node_modules/@types/trusted-types": {
@@ -4733,9 +4733,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "version": "7.24.6",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
+      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index e65ce6e..c4fa849 100644
--- a/package.json
+++ b/package.json
@@ -371,7 +371,7 @@
     "openai": "^6.38.0"
   },
   "devDependencies": {
-    "@types/node": "^20.0.0",
+    "@types/node": "^25.9.1",
     "@types/vscode": "^1.95.0",
     "@vscode/codicons": "^0.0.45",
     "@vscode/vsce": "^2.24.0",