diff --git a/Dockerfile b/Dockerfile
index e8cd512c6..0aa96c646 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17
+FROM alpine:3.18
 
 LABEL org.opencontainers.image.source https://github.com/kanboard/kanboard
 LABEL org.opencontainers.image.title=Kanboard