diff --git a/.changeset/config.json b/.changeset/config.json
index 22541f7b38..e5f7429d6b 100644
--- a/.changeset/config.json
+++ b/.changeset/config.json
@@ -5,7 +5,7 @@
   "fixed": [],
   "linked": [],
   "access": "public",
-  "baseBranch": "V4",
+  "baseBranch": "main",
   "updateInternalDependencies": "patch",
   "ignore": []
 }
diff --git a/.github/workflows/pr_checks.yml b/.github/workflows/pr_checks.yml
index 43db3bf9f7..9b3e438673 100644
--- a/.github/workflows/pr_checks.yml
+++ b/.github/workflows/pr_checks.yml
@@ -5,6 +5,8 @@ on:
     branches:
       - V3
       - V4
+      - V5
+      - main
 
 concurrency:
   # Support push/pr as event types with different behaviors each:
diff --git a/.github/workflows/publish_canary.yml b/.github/workflows/publish_canary.yml
index da60c1c7e8..f32d14503e 100644
--- a/.github/workflows/publish_canary.yml
+++ b/.github/workflows/publish_canary.yml
@@ -3,7 +3,7 @@ on:
   workflow_dispatch:
   push:
     branches:
-      - V4
+      - main
 
 concurrency: ${{ github.workflow }}
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e999c953a0..881b18e0ba 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -3,7 +3,7 @@ name: Release
 on:
   push:
     branches:
-      - V4
+      - V5
 
 concurrency: ${{ github.workflow }}-${{ github.ref }}
 
diff --git a/.github/workflows/ui_tests.yml b/.github/workflows/ui_tests.yml
index 70dc541399..057f0ee912 100644
--- a/.github/workflows/ui_tests.yml
+++ b/.github/workflows/ui_tests.yml
@@ -5,7 +5,7 @@ on:
     inputs:
       branch:
         description: 'The branch to use'
-        default: 'V3'
+        default: 'main'
         required: false
         type: string
       base-url: