diff --git a/mainline/alpine/Dockerfile b/mainline/alpine/Dockerfile
index e90d5dde..5bf0610b 100644
--- a/mainline/alpine/Dockerfile
+++ b/mainline/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 MAINTAINER NGINX Docker Maintainers "docker-maint@nginx.com"
 
diff --git a/stable/alpine/Dockerfile b/stable/alpine/Dockerfile
index 9f8e4688..ea048303 100644
--- a/stable/alpine/Dockerfile
+++ b/stable/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 MAINTAINER NGINX Docker Maintainers "docker-maint@nginx.com"