diff --git a/.github/workflows/quickstart_mail_ci.yml b/.github/workflows/quickstart_mail_ci.yml
index fdbb17d018..938fc2b22c 100644
--- a/.github/workflows/quickstart_mail_ci.yml
+++ b/.github/workflows/quickstart_mail_ci.yml
@@ -14,4 +14,4 @@ jobs:
       QUICKSTART_PATH: mail
       TEST_PROVISIONED_SERVER: true
       TEST_OPENSHIFT: false
-      MATRIX_OS: '"ubuntu-20.04"'
+#      MATRIX_OS: '"ubuntu-20.04"'