diff --git a/.github/workflows/nightly-release.yml b/.github/workflows/nightly-release.yml
index 16a5d0da1..bb14a4c15 100644
--- a/.github/workflows/nightly-release.yml
+++ b/.github/workflows/nightly-release.yml
@@ -27,7 +27,7 @@ defaults:
     shell: bash
 
 env:
-  RELEASE_BRANCH: "1.8.latest"
+  RELEASE_BRANCH: "1.9.latest"
 
 jobs:
   aggregate-release-data: