diff --git a/Dockerfile b/Dockerfile
index ac0fdbf..cd3fa81 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM caddy:2.7.6-builder-alpine AS builder
 
 RUN xcaddy build \
-    --with github.com/mholt/caddy-ratelimit \
+    --with github.com/mholt/caddy-ratelimit=89a7fece9addf6881169642d0b8a18e79d58e179 \
     --with github.com/porech/caddy-maxmind-geolocation \
     --with github.com/muety/caddy-remote-host