diff --git a/.github/sync-files.yaml b/.github/sync-files.yaml
index f38ec151216a4..614496c01d6cc 100644
--- a/.github/sync-files.yaml
+++ b/.github/sync-files.yaml
@@ -27,6 +27,7 @@
     - source: .github/workflows/build-and-test-self-hosted.yaml
     - source: .github/workflows/check-build-depends.yaml
     - source: .github/workflows/clang-tidy-pr-comments.yaml
+    - source: .github/workflows/sync-files.yaml
 
 - repository: autowarefoundation/autoware-documentation
   files:
diff --git a/.github/workflows/build-and-test-differential.yaml b/.github/workflows/build-and-test-differential.yaml
index 4be5ce9620a6b..7e3d186886b6b 100644
--- a/.github/workflows/build-and-test-differential.yaml
+++ b/.github/workflows/build-and-test-differential.yaml
@@ -71,5 +71,5 @@ jobs:
         with:
           rosdistro: galactic
           target-packages: ${{ steps.get-modified-packages.outputs.modified-packages }}
-          clang-tidy-config-url: https://raw.githubusercontent.com/autowarefoundation/autoware/tier4/proposal/.clang-tidy
+          clang-tidy-config-url: https://raw.githubusercontent.com/autowarefoundation/autoware/main/.clang-tidy
           build-depends-repos: build_depends.repos
diff --git a/.github/workflows/build-and-test-self-hosted.yaml b/.github/workflows/build-and-test-self-hosted.yaml
index 5ae9846739dcb..9f31a07199783 100644
--- a/.github/workflows/build-and-test-self-hosted.yaml
+++ b/.github/workflows/build-and-test-self-hosted.yaml
@@ -2,7 +2,7 @@ name: build-and-test-self-hosted
 
 on:
   schedule:
-    - cron: 0 19 * * * # run at 4 AM JST
+    - cron: 0 0 * * *
   workflow_dispatch:
 
 jobs:
diff --git a/.github/workflows/build-and-test.yaml b/.github/workflows/build-and-test.yaml
index 61ec72be49316..125d209ac1603 100644
--- a/.github/workflows/build-and-test.yaml
+++ b/.github/workflows/build-and-test.yaml
@@ -3,7 +3,7 @@ name: build-and-test
 on:
   push:
   schedule:
-    - cron: 0 19 * * * # run at 4 AM JST
+    - cron: 0 0 * * *
   workflow_dispatch:
 
 jobs:
diff --git a/.github/workflows/delete-closed-pr-docs.yaml b/.github/workflows/delete-closed-pr-docs.yaml
index abc983e3e368d..b7b009fb00263 100644
--- a/.github/workflows/delete-closed-pr-docs.yaml
+++ b/.github/workflows/delete-closed-pr-docs.yaml
@@ -2,7 +2,7 @@ name: delete-closed-pr-docs
 
 on:
   schedule:
-    - cron: 0 19 * * * # run at 4 AM JST
+    - cron: 0 0 * * *
   workflow_dispatch:
 
 jobs:
@@ -15,6 +15,6 @@ jobs:
           fetch-depth: 0
 
       - name: Delete closed PR docs
-        uses: autowarefoundation/autoware-github-actions/delete-closed-pr-docs@tier4/proposal
+        uses: autowarefoundation/autoware-github-actions/delete-closed-pr-docs@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/deploy-docs.yaml b/.github/workflows/deploy-docs.yaml
index 59b116e7731f8..7f0f72d94a799 100644
--- a/.github/workflows/deploy-docs.yaml
+++ b/.github/workflows/deploy-docs.yaml
@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - main
-      - tier4/proposal
     paths:
       - mkdocs.yaml
       - "**/*.md"
@@ -20,7 +19,7 @@ on:
 
 jobs:
   prevent-no-label-execution:
-    uses: autowarefoundation/autoware-github-actions/.github/workflows/prevent-no-label-execution.yaml@tier4/proposal
+    uses: autowarefoundation/autoware-github-actions/.github/workflows/prevent-no-label-execution.yaml@v1
     with:
       label: documentation
 
@@ -36,6 +35,6 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Deploy docs
-        uses: autowarefoundation/autoware-github-actions/deploy-docs@tier4/proposal
+        uses: autowarefoundation/autoware-github-actions/deploy-docs@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/sync-files.yaml b/.github/workflows/sync-files.yaml
index 0c5b4b04fa084..32f4613f6de7a 100644
--- a/.github/workflows/sync-files.yaml
+++ b/.github/workflows/sync-files.yaml
@@ -2,7 +2,7 @@ name: sync-files
 
 on:
   schedule:
-    - cron: 0 19 * * * # run at 4 AM JST
+    - cron: 0 0 * * *
   workflow_dispatch:
 
 jobs:
@@ -17,6 +17,6 @@ jobs:
           private_key: ${{ secrets.PRIVATE_KEY }}
 
       - name: Run sync-files
-        uses: autowarefoundation/autoware-github-actions/sync-files@tier4/proposal
+        uses: autowarefoundation/autoware-github-actions/sync-files@v1
         with:
           token: ${{ steps.generate-token.outputs.token }}
diff --git a/build_depends.repos b/build_depends.repos
index f7785c24cfeae..fa60d2107015e 100644
--- a/build_depends.repos
+++ b/build_depends.repos
@@ -7,11 +7,11 @@ repositories:
   core/common:
     type: git
     url: https://github.com/autowarefoundation/autoware_common.git
-    version: tier4/proposal
+    version: main
   core/autoware:
     type: git
     url: https://github.com/autowarefoundation/autoware.core.git
-    version: tier4/proposal
+    version: main
   # universe
   universe/tier4_autoware_msgs:
     type: git