diff --git a/Dockerfile b/Dockerfile
index 49991f5..d59dd5f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.17
 MAINTAINER Team Lixo <lixonet@team.lixo>
 
 RUN apk add docker-compose docker gnupg curl py-pip openssh bash && pip install netcalc