diff --git a/imagedefinitions.json b/imagedefinitions.json
index e7807f7e..565ff3a4 100644
--- a/imagedefinitions.json
+++ b/imagedefinitions.json
@@ -25,7 +25,7 @@
   },
   {
     "name": "mock-host",
-    "imageUri": "499333472133.dkr.ecr.us-east-1.amazonaws.com/wiremock-cloud-mock-host:test-grpc-extension-version-0-9-0",
+    "imageUri": "499333472133.dkr.ecr.us-east-1.amazonaws.com/wiremock-cloud-mock-host:rafe-test",
     "metadata": {
       "sourceAction": "set manually",
       "sourceCommit": "set manually"