diff --git a/ui/Dockerfile b/ui/Dockerfile
index 035629681..9384f90db 100644
--- a/ui/Dockerfile
+++ b/ui/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine
+FROM alpine:3.6
 LABEL maintainer="Team ACID @ Zalando <team-acid@zalando.de>"
 
 EXPOSE 8081