diff --git a/examples/cra-react-router/package.json b/examples/cra-react-router/package.json
index 97b75136..b5e8a7d7 100644
--- a/examples/cra-react-router/package.json
+++ b/examples/cra-react-router/package.json
@@ -13,6 +13,9 @@
     "react-scripts": "^5.0.1",
     "typescript": "^4.6.3"
   },
+  "devDependencies": {
+    "ajv": "8.16.0"
+  },
   "scripts": {
     "start": "react-scripts start",
     "build": "react-scripts build"
diff --git a/examples/gatsby-app/package.json b/examples/gatsby-app/package.json
index 07e9d765..c21779be 100644
--- a/examples/gatsby-app/package.json
+++ b/examples/gatsby-app/package.json
@@ -11,7 +11,8 @@
     "react-dom": "file:../../node_modules/react-dom"
   },
   "devDependencies": {
-    "prettier": "2.0.5"
+    "prettier": "2.0.5",
+    "ajv": "8.16.0"
   },
   "keywords": [
     "gatsby"