diff --git a/Dockerfile b/Dockerfile
index bc3bb4c..d654d1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@
 
 # https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact
 ARG PHP_VERSION=8.1
-ARG CADDY_VERSION=2.8.4
+ARG CADDY_VERSION=2.9.1
 
 # yarn build
 FROM gmolaire/yarn AS yarn_build