diff --git a/seafile-caddy/Dockerfile b/seafile-caddy/Dockerfile
index b708ab2..745003e 100644
--- a/seafile-caddy/Dockerfile
+++ b/seafile-caddy/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.3.0-alpine
+FROM caddy:2.4.3-alpine
 
 RUN apk add --no-cache \
 bash \