diff --git a/docker/caddy/Caddyfile b/docker/caddy/Caddyfile
index e6d81ff..68619e2 100644
--- a/docker/caddy/Caddyfile
+++ b/docker/caddy/Caddyfile
@@ -1,5 +1,9 @@
 {
-    experimental_http3
+    servers {
+        protocol {
+            experimental_http3
+        }
+    }
 }
 
 {$SERVER_NAME}