diff --git a/Dockerfile b/Dockerfile
index 8403b40..c2f0042 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # build
-FROM            golang:1.16.2-alpine as builder
+FROM            golang:1.16.3-alpine as builder
 RUN             apk add --no-cache git gcc musl-dev make
 WORKDIR         /go/src/github.com/moul/gotty-client
 COPY            go.* ./