diff --git a/Dockerfile b/Dockerfile
index e3ee059..f61b981 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16
+FROM alpine:3.18
 
 # renovate: datasource=github-tags depName=pritunl/pritunl
 ENV VERSION 1.30.3153.83