diff --git a/Dockerfile b/Dockerfile
index e8e0a3e..d638833 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM caddy:2.8.4 AS base
+FROM caddy:2.9.1 AS base
 
-FROM caddy:2.8.4-builder-alpine AS caddybuild
+FROM caddy:2.9.1-builder-alpine AS caddybuild
 RUN xcaddy build \
     --with github.com/greenpau/caddy-security \
     --with github.com/lucaslorentz/caddy-docker-proxy/v2 \