diff --git a/.env b/.env
index c9bfde9..5425d4b 100644
--- a/.env
+++ b/.env
@@ -2,7 +2,7 @@
 APP_PORT=3000
 
 # DB
-DB_HOST=localhost
+DB_HOST=telefonkonyv-db
 DB_PORT=3306
 DB_NAME=telefonkonyv
 DB_USER=appuser