diff --git a/.yamato/project-test.yml b/.yamato/project-test.yml
index 91e82a569f..527a4a13a7 100644
--- a/.yamato/project-test.yml
+++ b/.yamato/project-test.yml
@@ -134,4 +134,4 @@ develop_pull_request_trigger:
         only:
           - "master"
           - "develop"
-          - "/release/.*/"
+          - "/release\/.*/"