diff --git a/shopping-list/package-lock.json b/shopping-list/package-lock.json
index c4a1e41..2e62059 100644
--- a/shopping-list/package-lock.json
+++ b/shopping-list/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "devDependencies": {
         "@types/mocha": "^10.0.6",
-        "@types/node": "^18.19.0",
+        "@types/node": "^26.6.3",
         "@types/vscode": "~1.100.0",
         "@vscode/vsce": "^3.3.0",
         "esbuild": "^0.28.2",
@@ -1854,13 +1854,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "18.19.130",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.130.tgz",
-      "integrity": "sha512-GRaXQx6jGfL8sKfaIDD6OupbIHBr9jv7Jnaml9tB7l4v068PAOXqfcujMMo5PhbIs6ggR1XODELqahT2R8v0fg==",
+      "version": "26.6.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.3.tgz",
+      "integrity": "sha512-dsqMQQoeTLqu9wynDD00q573mNzso3IdQOAfHRJqLCcmCFPoGo9A1bDpUcv/9tnKpErQWv9uKeGfl37EIS02Yg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -5824,9 +5824,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "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/shopping-list/package.json b/shopping-list/package.json
index 73fb785..d1c1fca 100644
--- a/shopping-list/package.json
+++ b/shopping-list/package.json
@@ -153,7 +153,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.6",
-    "@types/node": "^18.19.0",
+    "@types/node": "^26.6.3",
     "@types/vscode": "~1.100.0",
     "@vscode/vsce": "^3.3.0",
     "esbuild": "^0.28.2",