diff --git a/Dockerfile b/Dockerfile
index ca560b9..3b53267 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ COPY . .
 RUN go get -d -v .
 RUN go build -v -o hg612-exporter .
 
-FROM alpine:3.15.0
+FROM alpine:3.15.4
 WORKDIR /service
 COPY --from=build /build/hg612-exporter .
 ENTRYPOINT ["./hg612-exporter"]
\ No newline at end of file