diff --git a/.github/workflows/insiders-gp.yml b/.github/workflows/insiders-gp.yml
index a88e640..e3c3b88 100644
--- a/.github/workflows/insiders-gp.yml
+++ b/.github/workflows/insiders-gp.yml
@@ -15,8 +15,8 @@ on:
 
 env:
   # Default values will be used by cron job
-  PARENT_COMMIT: ${{ github.event.inputs.parent_commit || 'upstream/main' }}
-  UPDATE_BRANCH: ${{ github.event.inputs.update_branch || 'gp-code/main' }}
+  PARENT_COMMIT: ${{ github.event.inputs.parent_commit || 'upstream/release/1.90' }}
+  UPDATE_BRANCH: ${{ github.event.inputs.update_branch || 'gp-code/release/1.90' }}
 
 jobs:
   sync-gp-code:
diff --git a/.github/workflows/insiders.yml b/.github/workflows/insiders.yml
index ebfebc6..b201327 100644
--- a/.github/workflows/insiders.yml
+++ b/.github/workflows/insiders.yml
@@ -15,8 +15,8 @@ on:
 
 env:
   # Default values will be used by cron job
-  PARENT_COMMIT: ${{ github.event.inputs.parent_commit || 'upstream/main' }}
-  UPDATE_BRANCH: ${{ github.event.inputs.update_branch || 'main' }}
+  PARENT_COMMIT: ${{ github.event.inputs.parent_commit || 'upstream/release/1.90' }}
+  UPDATE_BRANCH: ${{ github.event.inputs.update_branch || 'release/1.90' }}
 
 jobs:
   sync-main: