diff --git a/Dockerfile b/Dockerfile
index 8fd3e78..2b70d38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.18.4
+FROM docker.io/library/alpine:3.19.0
 
 RUN apk update && apk add certbot bind-tools