diff --git a/build/Dockerfile b/build/Dockerfile
index bfb0479..cdea949 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,4 +1,4 @@
-ARG CADDY_VERSION=2.7
+ARG CADDY_VERSION=2.8
 
 FROM caddy:${CADDY_VERSION}-builder-alpine AS builder
 RUN xcaddy build \