diff --git a/.github/workflows/api-misskey-js.yml b/.github/workflows/api-misskey-js.yml
index 047c1234285..70682fbb665 100644
--- a/.github/workflows/api-misskey-js.yml
+++ b/.github/workflows/api-misskey-js.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/check-misskey-js-version.yml b/.github/workflows/check-misskey-js-version.yml
index 3b5480bc56a..80aa55c0a3f 100644
--- a/.github/workflows/check-misskey-js-version.yml
+++ b/.github/workflows/check-misskey-js-version.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 5665760970d..aa4994b6b37 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -29,7 +29,7 @@ jobs:
     if: github.repository == 'MisskeyIO/misskey'
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index cb260acb7c1..fb64055828c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -40,7 +40,7 @@ jobs:
   pnpm_install:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true
@@ -73,7 +73,7 @@ jobs:
       eslint-cache-version: v1
       eslint-cache-path: ${{ github.workspace }}/node_modules/.cache/eslint-${{ matrix.workspace }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true
@@ -105,7 +105,7 @@ jobs:
         - sw
         - misskey-js
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 36640450885..e7a02cdae79 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
       version: ${{ github.event.inputs.version }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -116,7 +116,7 @@ jobs:
     needs: version-bump
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -193,7 +193,7 @@ jobs:
     needs: version-bump
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/sourcemaps.yml b/.github/workflows/sourcemaps.yml
index c137b94053b..d0208a5f3a8 100644
--- a/.github/workflows/sourcemaps.yml
+++ b/.github/workflows/sourcemaps.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/test-backend.yml b/.github/workflows/test-backend.yml
index 44c962f5806..6af697a4efc 100644
--- a/.github/workflows/test-backend.yml
+++ b/.github/workflows/test-backend.yml
@@ -54,7 +54,7 @@ jobs:
           - 56312:6379
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true
@@ -126,7 +126,7 @@ jobs:
           - 56312:6379
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/test-docker.yml b/.github/workflows/test-docker.yml
index d9739a0ad5f..5da2b96d7be 100644
--- a/.github/workflows/test-docker.yml
+++ b/.github/workflows/test-docker.yml
@@ -20,7 +20,7 @@ jobs:
     if: github.repository == 'MisskeyIO/misskey'
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/test-federation.yml b/.github/workflows/test-federation.yml
index 6365d8db28d..236e8cca76f 100644
--- a/.github/workflows/test-federation.yml
+++ b/.github/workflows/test-federation.yml
@@ -32,7 +32,7 @@ jobs:
         node-version: [22.x]
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/test-frontend.yml b/.github/workflows/test-frontend.yml
index e8b038c35ef..23670ca3e30 100644
--- a/.github/workflows/test-frontend.yml
+++ b/.github/workflows/test-frontend.yml
@@ -41,7 +41,7 @@ jobs:
         node-version: [22.x]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true
diff --git a/.github/workflows/test-misskey-js.yml b/.github/workflows/test-misskey-js.yml
index 871cbd55810..bb7739f329b 100644
--- a/.github/workflows/test-misskey-js.yml
+++ b/.github/workflows/test-misskey-js.yml
@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           submodules: true
diff --git a/.github/workflows/test-production.yml b/.github/workflows/test-production.yml
index 109a502f482..c0c6503d5d2 100644
--- a/.github/workflows/test-production.yml
+++ b/.github/workflows/test-production.yml
@@ -27,7 +27,7 @@ jobs:
         node-version: [22.x]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true
diff --git a/.github/workflows/validate-api-json.yml b/.github/workflows/validate-api-json.yml
index 3040b3d1743..dface4384bb 100644
--- a/.github/workflows/validate-api-json.yml
+++ b/.github/workflows/validate-api-json.yml
@@ -28,7 +28,7 @@ jobs:
         node-version: [22.x]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true