diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 60e08ff60c6..9ebffe268c0 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -74,7 +74,7 @@
         "@types/d3": "^7.4.0",
         "@types/d3-graphviz": "^2.6.6",
         "@types/fs-extra": "^11.0.1",
-        "@types/gulp": "^4.0.9",
+        "@types/gulp": "^4.0.18",
         "@types/jest": "^30.0.0",
         "@types/js-yaml": "^4.0.6",
         "@types/node": "22.19.*",
@@ -7773,10 +7773,11 @@
       }
     },
     "node_modules/@types/gulp": {
-      "version": "4.0.17",
-      "resolved": "https://registry.npmjs.org/@types/gulp/-/gulp-4.0.17.tgz",
-      "integrity": "sha512-+pKQynu2C/HS16kgmDlAicjtFYP8kaa86eE9P0Ae7GB5W29we/E2TIdbOWtEZD5XkpY+jr8fyqfwO6SWZecLpQ==",
+      "version": "4.0.18",
+      "resolved": "https://registry.npmjs.org/@types/gulp/-/gulp-4.0.18.tgz",
+      "integrity": "sha512-IqkYa4sXkwH2uwqO2aXYOoAisJpLX13BPaS6lmEAoG4BbgOay3qqGQFsT9LMSSQVMQlEKU7wTUW0sPV46V0olw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@types/node": "*",
         "@types/undertaker": ">=1.2.6",
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index 747db220b9b..7e2d714b65e 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2125,7 +2125,7 @@
     "@types/d3": "^7.4.0",
     "@types/d3-graphviz": "^2.6.6",
     "@types/fs-extra": "^11.0.1",
-    "@types/gulp": "^4.0.9",
+    "@types/gulp": "^4.0.18",
     "@types/jest": "^30.0.0",
     "@types/js-yaml": "^4.0.6",
     "@types/node": "22.19.*",