diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c38d0f7f4..86b57433f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: ci
 
 on:
   push:
-    branches: ["main"]
+    branches: ["0.4.x"]
   pull_request:
-    branches: ["main"]
+    branches: ["0.4.x"]
 
 jobs:
   build_and_test:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index fb5aa7705..672aacf12 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -13,9 +13,9 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "0.4.x" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "0.4.x" ]
   schedule:
     - cron: '25 1 * * 0'
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 4473cabbb..12201a075 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -2,9 +2,9 @@ name: coverage
 
 on:
   push:
-    branches: ["main"]
+    branches: ["0.4.x"]
   pull_request:
-    branches: ["main"]
+    branches: ["0.4.x"]
 
 jobs:
   coverage:
@@ -36,9 +36,9 @@ jobs:
           license: ${{ secrets.REPORT_GENERATOR_LICENSE }}
 
       - name: Sync Coverage Report to S3
-        run: aws s3 sync ./coveragereport s3://${{ secrets.AWS_S3_BUCKET }}/csharp/main/coverage --delete
+        run: aws s3 sync ./coveragereport s3://${{ secrets.AWS_S3_BUCKET }}/csharp/0.4.x/coverage --delete
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           AWS_DEFAULT_REGION: us-east-1
-        if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
+        if: github.ref == 'refs/heads/0.4.x' && github.event_name != 'pull_request'
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c97b5f485..f855da070 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -2,9 +2,9 @@ name: docs
 
 on:
   push:
-    branches: ["main"]
+    branches: ["0.4.x"]
   pull_request:
-    branches: ["main"]
+    branches: ["0.4.x"]
 
 jobs:
   docfx:
@@ -23,9 +23,9 @@ jobs:
             ./build.sh --doc
 
       - name: Sync to S3
-        run: aws s3 sync ./docfx/_site s3://${{ secrets.AWS_S3_BUCKET }}/csharp/main/api --delete
+        run: aws s3 sync ./docfx/_site s3://${{ secrets.AWS_S3_BUCKET }}/csharp/0.4.x/api --delete
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           AWS_DEFAULT_REGION: us-east-1
-        if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
+        if: github.ref == 'refs/heads/0.4.x' && github.event_name != 'pull_request'
diff --git a/.github/workflows/rustfmt.yml b/.github/workflows/rustfmt.yml
index 7fec74a48..cccfc3e25 100644
--- a/.github/workflows/rustfmt.yml
+++ b/.github/workflows/rustfmt.yml
@@ -2,9 +2,9 @@ name: rustfmt
 
 on:
   push:
-    branches: ["main"]
+    branches: ["0.4.x"]
   pull_request:
-    branches: ["main"]
+    branches: ["0.4.x"]
 
 jobs:
   rustfmt:
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index 92993c0e8..5b887f933 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -2,9 +2,9 @@ name: "Check spelling"
 
 on:
   push:
-    branches: ["main"]
+    branches: ["0.4.x"]
   pull_request:
-    branches: ["main"]
+    branches: ["0.4.x"]
 
 jobs:
   spellcheck: