diff --git a/examples/demo/server/Dockerfile b/examples/demo/server/Dockerfile
index 9a90ae37d324..f27c12f82a35 100644
--- a/examples/demo/server/Dockerfile
+++ b/examples/demo/server/Dockerfile
@@ -16,6 +16,6 @@ WORKDIR /app/
 COPY . .
 RUN go env -w GOPROXY=direct
 RUN CGO_ENABLED=0 go build -o main main.go
-FROM alpine:3.15
+FROM alpine:3.16
 COPY --from=build /app/main  /app/main
 CMD ["/app/main"]