diff --git a/package.json b/package.json
index 446b04b5..99fa850e 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   ],
   "license": "Apache-2.0",
   "dependencies": {
-    "ajv": "^8.13.0",
+    "ajv": "^8.3.0",
     "ajv-formats": "^2.1.0",
     "array.prototype.groupby": "^1.1.0",
     "crocks": "^0.12.4",
diff --git a/src/validate/index.mjs b/src/validate/index.mjs
index 629b5f69..f9002554 100644
--- a/src/validate/index.mjs
+++ b/src/validate/index.mjs
@@ -73,10 +73,13 @@ const run = async ({
     const jsonSchemaSpec = await (await fetch('https://meta.json-schema.tools')).json()
 
     //  - OpenRPC uses `additionalItems` when `items` is not an array of schemas. This fails strict validate, so we remove it
-    //  - OpenRPC uses raw.githubusercontent.com URLs for the json-schema spec, we replace this with the up to date spec on meta.json-schema.tools
     const openRpcSpec = await (await fetch('https://meta.open-rpc.org')).json()
+
     removeIgnoredAdditionalItems(openRpcSpec)
-    replaceUri('https://raw.githubusercontent.com/json-schema-tools/meta-schema/1.5.9/src/schema.json', 'https://meta.json-schema.tools/', openRpcSpec)
+
+    //AJV doesn't like not having a slash at the end of the URL
+    replaceUri('https://meta.json-schema.tools', 'https://meta.json-schema.tools/', openRpcSpec)
+
 
     Object.values(sharedSchemas).forEach(schema => {
         try {