diff --git a/.github/workflows/post-release.yml b/.github/workflows/post-release.yml
index b3e20a0..5293c06 100644
--- a/.github/workflows/post-release.yml
+++ b/.github/workflows/post-release.yml
@@ -62,7 +62,7 @@ jobs:
           client-id: ${{ secrets.app_id }}
           private-key: ${{ secrets.app_private_key }}
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           token: ${{ steps.generate-token.outputs.token }}
           ref: main
@@ -125,7 +125,7 @@ jobs:
       BLUESKY_PASSWORD: ${{ secrets.bluesky_password }}
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           ref: ${{ inputs.target_branch }}
           fetch-depth: 0
@@ -138,7 +138,7 @@ jobs:
 
       - name: Post to Slack
         if: ${{ env.SLACK_WEBHOOK_URL != '' }}
-        uses: slackapi/slack-github-action@v3
+        uses: slackapi/slack-github-action@v4
         with:
           webhook: ${{ env.SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook
@@ -195,7 +195,7 @@ jobs:
           client-id: ${{ secrets.app_id }}
           private-key: ${{ secrets.app_private_key }}
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           ref: ${{ inputs.target_branch }}
           fetch-depth: 0
diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index f6a3b50..e6f6487 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -31,7 +31,7 @@ jobs:
           client-id: ${{ secrets.app_id }}
           private-key: ${{ secrets.app_private_key }}
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           token: ${{ steps.generate-token.outputs.token }}
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b3f2c48..5d81261 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -44,7 +44,7 @@ jobs:
           client-id: ${{ secrets.app_id }}
           private-key: ${{ secrets.app_private_key }}
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           token: ${{ steps.generate-token.outputs.token }}