diff --git a/nginx-golang-mysql/backend/Dockerfile b/nginx-golang-mysql/backend/Dockerfile
index 36e9525..dbc521d 100755
--- a/nginx-golang-mysql/backend/Dockerfile
+++ b/nginx-golang-mysql/backend/Dockerfile
@@ -4,7 +4,7 @@ COPY . .
 
 RUN go build -o server .
 
-FROM alpine:3.12
+FROM alpine:3.14
 EXPOSE 8000
 COPY --from=build /go/src/github.com/org/repo/server /server
 CMD ["/server"]