diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 5f88d1a2c62..aa1cbe109ca 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -133,7 +133,7 @@
         "tar-stream": "^3.1.7",
         "through2": "^4.0.2",
         "ts-jest": "^29.2.5",
-        "ts-json-schema-generator": "^2.1.1",
+        "ts-json-schema-generator": "^2.3.0",
         "ts-node": "^10.9.2",
         "ts-unused-exports": "^10.1.0",
         "typescript": "^5.6.2",
@@ -22222,9 +22222,9 @@
       }
     },
     "node_modules/ts-json-schema-generator": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ts-json-schema-generator/-/ts-json-schema-generator-2.1.1.tgz",
-      "integrity": "sha512-ha5/w3A2APOOn9ET2CfunEXdVOnKmjISTGcxhCkDszmrsRWFfG5F+re5U5onLXo665sZ4BuE2g5jZAjC+CUcgA==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/ts-json-schema-generator/-/ts-json-schema-generator-2.3.0.tgz",
+      "integrity": "sha512-t4lBQAwZc0sOJq9LJt3NgbznIcslVnm0JeEMFq8qIRklpMRY8jlYD0YmnRWbqBKANxkby91P1XanSSlSOFpUmg==",
       "dev": true,
       "dependencies": {
         "@types/json-schema": "^7.0.15",
@@ -22233,6 +22233,7 @@
         "json5": "^2.2.3",
         "normalize-path": "^3.0.0",
         "safe-stable-stringify": "^2.4.3",
+        "tslib": "^2.6.2",
         "typescript": "^5.4.5"
       },
       "bin": {
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index 59f21f0c7ee..8008dbb5586 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2091,7 +2091,7 @@
     "tar-stream": "^3.1.7",
     "through2": "^4.0.2",
     "ts-jest": "^29.2.5",
-    "ts-json-schema-generator": "^2.1.1",
+    "ts-json-schema-generator": "^2.3.0",
     "ts-node": "^10.9.2",
     "ts-unused-exports": "^10.1.0",
     "typescript": "^5.6.2",