diff --git a/.github/workflows/discord.yml b/.github/workflows/discord.yml
index c81de97..a0f017c 100644
--- a/.github/workflows/discord.yml
+++ b/.github/workflows/discord.yml
@@ -16,7 +16,7 @@ jobs:
     name: Synchronize
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: bun
         uses: oven-sh/setup-bun@v1
       - name: install
diff --git a/.github/workflows/firebase-hosting-merge.yml b/.github/workflows/firebase-hosting-merge.yml
index 2394e7e..ef7abff 100644
--- a/.github/workflows/firebase-hosting-merge.yml
+++ b/.github/workflows/firebase-hosting-merge.yml
@@ -16,7 +16,7 @@ jobs:
       name: production
       url: https://th.techcal.dev
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: bun
         uses: oven-sh/setup-bun@v1
       - name: install
diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index daa5db5..3247b62 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -11,7 +11,7 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: bun
         uses: oven-sh/setup-bun@v1
       - name: install