diff --git a/Dockerfile b/Dockerfile
index 10454a9c..ff163fbe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:alpine
+FROM ruby:2-alpine
 COPY *.gem /tmp
 ENV CHEF_LICENSE=accept-silent
 RUN apk add --no-cache build-base