diff --git a/builder/Dockerfile b/builder/Dockerfile
index 025369f..febd3c6 100644
--- a/builder/Dockerfile
+++ b/builder/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.11.5-alpine
+FROM golang:1.12-alpine
 
 RUN apk add --no-cache git gcc musl-dev