diff --git a/mainline/alpine/Dockerfile b/mainline/alpine/Dockerfile
index 29bcb38a..7b1a4374 100644
--- a/mainline/alpine/Dockerfile
+++ b/mainline/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.5
+FROM alpine:3.6
 
 MAINTAINER NGINX Docker Maintainers "docker-maint@nginx.com"