diff --git a/docker-compose-proxy.yml b/docker-compose-proxy.yml
index 3a47016..520bc38 100644
--- a/docker-compose-proxy.yml
+++ b/docker-compose-proxy.yml
@@ -150,6 +150,7 @@ volumes:
   letsencrypt-git:
   letsencrypt-drone:
   registry-data:
+  registry-cache-data:
 
 networks:
   appnet: