diff --git a/.github/workflows/auto-merge.yml b/.github/workflows/auto-merge.yml
index 5a8c1f0bf6..306888a1ce 100644
--- a/.github/workflows/auto-merge.yml
+++ b/.github/workflows/auto-merge.yml
@@ -21,7 +21,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-        ref: 1.0.18-release
+        ref: 1.0.19-release
 
     - name: merge commits from main to release branch
       run: |
@@ -109,7 +109,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-          ref: 1.0.18-release
+          ref: 1.0.19-release
 
       - name: merge commits from main to release branch
         run: |
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 34e8b40f9d..51096c9334 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -4,9 +4,9 @@ name: CI
 
 on:
   push:
-    branches: [ main, 1.0.18-release, 1.0.17-release ]
+    branches: [ main, 1.0.18-release, 1.0.19-release ]
   pull_request:
-    branches: [ main, 1.0.18-release, 1.0.17-release ]
+    branches: [ main, 1.0.18-release, 1.0.19-release ]
 
 jobs:
   build-and-test:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 83f63b3f97..a81dbe888a 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        branch: [ main, 1.0.17-release, 1.0.18-release ]
+        branch: [ main, 1.0.19-release, 1.0.18-release ]
     runs-on: windows-latest
     steps:
       - name: configure Pagefile