diff --git a/.github/policies/msgraph-sdk-typescript-branch-protection.yml b/.github/policies/msgraph-sdk-typescript-branch-protection.yml
index ecea304f773..94cd3401b57 100644
--- a/.github/policies/msgraph-sdk-typescript-branch-protection.yml
+++ b/.github/policies/msgraph-sdk-typescript-branch-protection.yml
@@ -9,9 +9,9 @@ resource: repository
 configuration:
   branchProtectionRules:
 
-    - branchNamePattern: dev
+    - branchNamePattern: main
       # This branch pattern applies to the following branches as of 08/23/2023 13:45:40:
-      # dev
+      # main
 
       # Specifies whether this branch can be deleted. boolean
       allowsDeletions: false
diff --git a/.github/workflows/auto-merge-dependabot.yml b/.github/workflows/auto-merge-dependabot.yml
index 11e6587c5af..72d96dd1d57 100644
--- a/.github/workflows/auto-merge-dependabot.yml
+++ b/.github/workflows/auto-merge-dependabot.yml
@@ -2,7 +2,7 @@ name: Auto-merge dependabot updates
 
 on:
   pull_request:
-    branches: [ dev ]
+    branches: [ main ]
 
 permissions:
   pull-requests: write
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9e62d8510a3..59f92fc7bc5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,9 +5,9 @@ name: Node.js CI
 on:
   workflow_dispatch:
   push:
-    branches: [dev]
+    branches: [main]
   pull_request:
-    branches: [dev]
+    branches: [main]
 
 jobs:
   build:
@@ -63,7 +63,7 @@ jobs:
         run: exit 1
 
   publish-npm:
-    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/dev' && !contains(github.event.head_commit.message, 'auto dependabot') }}
+    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' && !contains(github.event.head_commit.message, 'auto dependabot') }}
     needs: build
     environment:
       name: production_feed
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b9ec8a68aae..3936752867f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -13,10 +13,10 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "dev", "main" ]
+    branches: [ "main" ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ "dev" ]
+    branches: [ "main" ]
   schedule:
     - cron: '37 21 * * 1'
 
diff --git a/.github/workflows/project-auto-add.yml b/.github/workflows/project-auto-add.yml
index 09d9707765f..db9e8d39680 100644
--- a/.github/workflows/project-auto-add.yml
+++ b/.github/workflows/project-auto-add.yml
@@ -9,7 +9,7 @@ on:
     types:
       - opened
     branches:
-      - "dev"
+      - "main"
 
 jobs:
   track_issue:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4cd1269d7f8..25561230cb1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,7 +2,7 @@
 The best way to get started with a contribution is to start a dialog with us. Sometimes features will be under development or out of scope for this library and it's best to check before starting work on contribution, especially for large work items.
 
 ## Pull requests
-All pull requests should be submitted against the **dev** branch or a specific feature branch. 
+All pull requests should be submitted against the **main** branch or a specific feature branch. 
 
 Some things to note about this project: