diff --git a/extensions/vscode/package-lock.json b/extensions/vscode/package-lock.json
index 9f25eeb..68a4c9c 100644
--- a/extensions/vscode/package-lock.json
+++ b/extensions/vscode/package-lock.json
@@ -8,7 +8,7 @@
       "name": "sharpclaw-code",
       "version": "0.1.0",
       "devDependencies": {
-        "@types/node": "^22.15.3",
+        "@types/node": "^26.5.1",
         "@types/vscode": "^1.100.0",
         "typescript": "^5.8.3"
       },
@@ -17,13 +17,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "22.20.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.20.2.tgz",
-      "integrity": "sha512-xlvWf4Vs9n1PEVYwP1n4vvG07M6y8WgvJ2t0vbrWTmijsIHp1cS+uJ2kMIRdY3nHZK0nCYKrPeD171+SzF4/zw==",
+      "version": "26.5.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.5.1.tgz",
+      "integrity": "sha512-CzNm2FezW4VR/LjG6yUdiEgLE/rAQ9Slj5gCu/C2VrdcW7I0ahNZ8DRbHT7zOZ6r3ONgd/bsQIeSaoDGrd1C6g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/vscode": {
@@ -48,9 +48,9 @@
       }
     },
     "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": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     }
diff --git a/extensions/vscode/package.json b/extensions/vscode/package.json
index 43068b5..c4d2cb8 100644
--- a/extensions/vscode/package.json
+++ b/extensions/vscode/package.json
@@ -76,7 +76,7 @@
     "watch": "tsc -watch -p ./"
   },
   "devDependencies": {
-    "@types/node": "^22.15.3",
+    "@types/node": "^26.5.1",
     "@types/vscode": "^1.100.0",
     "typescript": "^5.8.3"
   }