diff --git a/.docker/prod.Dockerfile b/.docker/prod.Dockerfile
index ee7a16eb..2d53938c 100644
--- a/.docker/prod.Dockerfile
+++ b/.docker/prod.Dockerfile
@@ -1,4 +1,4 @@
-ARG VERSION=unstable
+ARG VERSION=edge
 
 FROM golang AS tools
 COPY smoketest /usr/local/src