diff --git a/keywords/add_keyword.js b/keywords/add_keyword.js
index 1811287..504de67 100644
--- a/keywords/add_keyword.js
+++ b/keywords/add_keyword.js
@@ -19,7 +19,7 @@ module.exports = function (ajv, keyword, jsonPatch, patchSchema) {
                   : $ref;
         var validate = ajv.getSchema(id);
         if (validate) return validate.schema;
-        throw new ajv.constructor.MissingRefError(it.baseId, $ref);
+        throw new ajv.constructor.MissingRefError(ajv.opts.uriResolver, it.baseId, $ref);
       }
     },
     metaSchema: {
diff --git a/package.json b/package.json
index b8327d9..57babdf 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "json-merge-patch": "^1.0.2"
   },
   "devDependencies": {
-    "ajv": "^8.2.0",
+    "ajv": "^8.10.0",
     "coveralls": "^3.1.1",
     "eslint": "^7.8.1",
     "mocha": "^9.0.3",