diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 83f054e43..c40ea8f43 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -49,7 +49,7 @@ jobs:
           MYSQL_ROOT_PASSWORD: root
           MYSQL_DATABASE: oms
         ports:
-          - 3306
+          - 3306:3306
         options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
       postgres:
         image: postgres:10.8