diff --git a/Dockerfile b/Dockerfile
index a6747bb..5b366c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,8 @@ FROM caddy:builder AS builder
 
 # Build Caddy with the Layer 4 module included
 RUN xcaddy build \
-    --with github.com/mholt/caddy-l4
+    --with github.com/mholt/caddy-l4 \
+    --with github.com/caddyserver/jsonc-adapter
 
 # Pull the compiled binary into the final lightweight image
 FROM caddy:latest