diff --git a/Dockerfile b/Dockerfile
index 9952694..53f45bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.3-alpine3.13 as builder
+FROM golang:1.16.4-alpine3.13 as builder
 WORKDIR /go/src/gitea.develooper.com/ask/drone-test
 ADD . .
 RUN CGO_ENABLED=1 GOOS=linux go build -o demo