diff --git a/.github/workflows/test-repositories.yml b/.github/workflows/test-repositories.yml
index 97c99a4..053b0f8 100644
--- a/.github/workflows/test-repositories.yml
+++ b/.github/workflows/test-repositories.yml
@@ -33,6 +33,7 @@ jobs:
           - "nextcloud/server"
           - "nextcloud/spreed"
           - "nextcloud/tables"
+          - "nextcloud/mail"
 
     name: openapi-repositories