diff --git a/Dockerfile b/Dockerfile
index 41c5ff1..3b944bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ WORKDIR $GOPATH/src/metricfunc
 COPY . .
 RUN make all
 
-FROM alpine:3.20 AS metricfunc
+FROM alpine:3.21 AS metricfunc
 
 LABEL maintainer="Aether SD-Core <dev@lists.aetherproject.org>" \
     description="Aether open source 5G Core Network" \