diff --git a/libretranslate/docker-compose.yml b/libretranslate/docker-compose.yml
index 8c0580a..b7d153a 100644
--- a/libretranslate/docker-compose.yml
+++ b/libretranslate/docker-compose.yml
@@ -17,3 +17,5 @@ services:
       - libretranslate_api_keys:/app/db/api_keys.db
     ports:
       - ${LT_HOST}:${LT_PORT}:5000
+volumes:
+    libretranslate_api_keys: