diff --git a/src/cr1/validator/ajv.ts b/src/cr1/validator/ajv.ts
new file mode 100644
index 0000000..87200bc
--- /dev/null
+++ b/src/cr1/validator/ajv.ts
@@ -0,0 +1,5 @@
+import Ajv from 'ajv/dist/2020'
+
+export const ajv = new Ajv({
+  strict: false,
+})
diff --git a/src/cr1/validator/index.ts b/src/cr1/validator/index.ts
index cf5f13d..fc1e1cf 100644
--- a/src/cr1/validator/index.ts
+++ b/src/cr1/validator/index.ts
@@ -1,4 +1,3 @@
-import Ajv from 'ajv'
 
 import {
   RequestValidator,
@@ -19,9 +18,7 @@ import { bs } from '../../cr1/status-list'
 
 import { conformance } from './w3c'
 
-const ajv = new Ajv({
-  strict: false,
-})
+import { ajv } from "./ajv"
 
 export const validator = ({ resolver }: RequestValidator) => {
   return {
diff --git a/test/jwt-product-passports/integration.test.ts b/test/jwt-product-passports/integration.test.ts
index 82351d5..540d0b0 100644
--- a/test/jwt-product-passports/integration.test.ts
+++ b/test/jwt-product-passports/integration.test.ts
@@ -89,6 +89,7 @@ credentialSubject:
               content: vc.text.encoder.encode(`
 {
   "$id": "${baseURL}/schemas/product-passport",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Example JSON Schema",
   "description": "This is a test schema",
   "type": "object",