diff --git a/Dockerfile b/Dockerfile
index a46d12a..5cb28ed 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.6
+FROM alpine:3.20
 
 RUN apk --no-cache add \
     ca-certificates curl
@@ -16,4 +16,4 @@ EXPOSE 8082 8083 8084
 
 ENTRYPOINT ["mmock","-config-path","/config","-tls-path","/tls"]
 CMD ["-server-ip","0.0.0.0","-console-ip","0.0.0.0"]
-HEALTHCHECK --interval=30s --timeout=3s --start-period=3s --retries=2 CMD curl -f http://localhost:8082 || exit 1
+HEALTHCHECK --interval=30s --timeout=3s --start-period=3s --retries=2 CMD curl -fsS http://localhost:8082 || exit 1