diff --git a/docker-compose.yml b/docker-compose.yml
index 796630e..9b8b57b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,7 +18,7 @@ services:
       - BASIC_AUTH_PASS=${BASIC_AUTH_PASS}
     ports:
       # Select host port via APP_PORT env var; default 3000
-      - "${APP_PORT:-3000}:3000"
+      - "127.0.0.1:${APP_PORT:-3000}:3000"
     volumes:
       # Persist cache JSON files using a named volume
       - magikarp-data:/app/data