diff --git a/Dockerfile b/Dockerfile
index 402e609..717835e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.16
+FROM docker.io/alpine:3.18
 ARG VERSION
 RUN apk --no-cache add \
     pdns=${VERSION} \