diff --git a/.ci/gcb-contributor-membership-checker.yml b/.ci/gcb-contributor-membership-checker.yml
index 3f621bdf119e..ce7260352953 100644
--- a/.ci/gcb-contributor-membership-checker.yml
+++ b/.ci/gcb-contributor-membership-checker.yml
@@ -62,7 +62,7 @@ steps:
     entrypoint: "/workspace/.ci/scripts/go-plus/magician/exec.sh"
     id: contributor-membership-checker
     secretEnv:
-      ["GITHUB_TOKEN_MAGIC_MODULES", "GENERATE_DIFFS_TRIGGER", "COMMUNITY_CHECKER_TRIGGER"]
+      ["GITHUB_TOKEN_MAGIC_MODULES", "GENERATE_DIFFS_TRIGGER", "COMMUNITY_CHECKER_TRIGGER", "DOWNSTREAM_GENERATION_AND_TEST_TRIGGER"]
     timeout: 8000s
     args:
       - "membership-checker"
@@ -78,3 +78,5 @@ availableSecrets:
       env: GENERATE_DIFFS_TRIGGER
     - versionName: projects/673497134629/secrets/ci-trigger-community-checker/versions/latest
       env: COMMUNITY_CHECKER_TRIGGER
+    - versionName: projects/673497134629/secrets/ci-trigger-downstream-generation-and-test/versions/latest
+      env: DOWNSTREAM_GENERATION_AND_TEST_TRIGGER