diff --git a/Dockerfile b/Dockerfile
index c924c75..4392feb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,2 @@
-FROM alpine:3.21.3
+FROM alpine:3.22.2
 RUN apk add --update netcat-openbsd tcptraceroute bind-tools curl nmap && rm -rf /var/cache/apk/*