diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 703c9c56a8f..279a6b3885c 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -19,7 +19,7 @@
         "@vscode/codicons": "^0.0.44",
         "@vscode/debugadapter": "^1.68.0",
         "@vscode/debugprotocol": "^1.68.0",
-        "ajv": "^8.18.0",
+        "ajv": "^8.20.0",
         "chokidar": "^5.0.0",
         "d3-graphviz": "^5.6.0",
         "fs-extra": "^11.1.1",
@@ -14845,9 +14845,9 @@
       }
     },
     "node_modules/ajv": {
-      "version": "8.18.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.18.0.tgz",
-      "integrity": "sha512-PlXPeEWMXMZ7sPYOHqmDyCJzcfNrUr3fGNKtezX14ykXOEIvyK81d+qydx89KY5O71FKMPaQ2vBfBFI5NHR63A==",
+      "version": "8.20.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.20.0.tgz",
+      "integrity": "sha512-Thbli+OlOj+iMPYFBVBfJ3OmCAnaSyNn4M1vz9T6Gka5Jt9ba/HIR56joy65tY6kx/FCF5VXNB819Y7/GUrBGA==",
       "license": "MIT",
       "dependencies": {
         "fast-deep-equal": "^3.1.3",
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index 08b0331d3d3..2288552a759 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2077,7 +2077,7 @@
     "@vscode/codicons": "^0.0.44",
     "@vscode/debugadapter": "^1.68.0",
     "@vscode/debugprotocol": "^1.68.0",
-    "ajv": "^8.18.0",
+    "ajv": "^8.20.0",
     "chokidar": "^5.0.0",
     "d3-graphviz": "^5.6.0",
     "fs-extra": "^11.1.1",