diff --git a/deploy/docker/setup/Dockerfile b/deploy/docker/setup/Dockerfile
index 5f80fd4ee1..57aee3a2e9 100644
--- a/deploy/docker/setup/Dockerfile
+++ b/deploy/docker/setup/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3
+FROM alpine:3.12
 
 ENV TERRAFORM_VERSION 0.12.25-r0