diff --git a/.github/scripts/clone_engine_repo.conf b/.github/scripts/clone_engine_repo.conf
index 024af54df93..887a9b6d5bf 100644
--- a/.github/scripts/clone_engine_repo.conf
+++ b/.github/scripts/clone_engine_repo.conf
@@ -1 +1 @@
-DEFAULT_BRANCH=BABEL_4_X_DEV__PG_16_X
+DEFAULT_BRANCH=BABEL_4_5_STABLE__PG_16_6
diff --git a/.github/workflows/singledb-version-upgrade.yml b/.github/workflows/singledb-version-upgrade.yml
index 67bbfd9f942..7d3163cb5d6 100644
--- a/.github/workflows/singledb-version-upgrade.yml
+++ b/.github/workflows/singledb-version-upgrade.yml
@@ -7,8 +7,8 @@ jobs:
       env:
       OLD_INSTALL_DIR: psql_source
       NEW_INSTALL_DIR: psql_target
-      ENGINE_BRANCH_FROM: BABEL_2_X_DEV__PG_14_X
-      EXTENSION_BRANCH_FROM: BABEL_2_X_DEV
+      ENGINE_BRANCH_FROM: BABEL_3_9_STABLE__PG_15_11
+      EXTENSION_BRANCH_FROM: BABEL_3_9_STABLE
 
     runs-on: ubuntu-20.04
     steps: