diff --git a/packages/backend-core/package.json b/packages/backend-core/package.json
index ce3dd11a7c..01be6a2bcd 100644
--- a/packages/backend-core/package.json
+++ b/packages/backend-core/package.json
@@ -60,7 +60,7 @@
     ]
   },
   "devDependencies": {
-    "@shopify/jest-koa-mocks": "^5.0.1",
+    "@shopify/jest-koa-mocks": "5.0.1",
     "@types/jest": "27.5.1",
     "@types/koa": "2.0.52",
     "@types/lodash": "4.14.180",