diff --git a/packages/ddl-shim/package.json b/packages/ddl-shim/package.json
index b671d96df3..8f01e53dc5 100644
--- a/packages/ddl-shim/package.json
+++ b/packages/ddl-shim/package.json
@@ -39,7 +39,7 @@
         "update-major": "npx --yes npm-check-updates -u"
     },
     "dependencies": {
-        "ajv": "6.12.6"
+        "ajv": "8.18.0"
     },
     "devDependencies": {
         "@hpcc-js/esbuild-plugins": "^1.8.3",