diff --git a/Dockerfile b/Dockerfile
index 2a3a424..6fa118e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:alpine as builder
+FROM alpine:3.13 as builder
 RUN apk update && apk add --no-cache ca-certificates && update-ca-certificates
 
 FROM scratch