diff --git a/Dockerfile b/Dockerfile
index da8fcd4..841e39f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-ARG GO_VERSION=1.11
+ARG GO_VERSION=1.12
 
 FROM golang:${GO_VERSION}-alpine AS builder
 
-RUN apk add --update --no-cache ca-certificates=20190108-r0 make=4.2.1-r2 git=2.20.1-r0 curl=7.64.0-r1
+RUN apk add --update --no-cache ca-certificates=20190108-r0 make=4.2.1-r2 git=2.22.0-r0 curl=7.66.0-r0
 
 ARG PACKAGE=/build