diff --git a/Dockerfile b/Dockerfile
index 87786130..f6319a70 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:alpine as builder
+FROM golang:1.12-alpine as builder
 MAINTAINER Jessica Frazelle <jess@linux.com>
 
 ENV PATH /go/bin:/usr/local/go/bin:$PATH