diff --git a/Dockerfile b/Dockerfile
index 505b45e..49655e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.5
+FROM alpine:3.6
 
 RUN apk --no-cache add \
   curl bind-tools netcat-openbsd fish jq coreutils