diff --git a/.github/workflows/api-misskey-js.yml b/.github/workflows/api-misskey-js.yml
index 4cf523a6b9136864cc8afaba6710ed9b2f13669a..39f29bf7734a6fa290291e469b6c63d17970ca29 100644
--- a/.github/workflows/api-misskey-js.yml
+++ b/.github/workflows/api-misskey-js.yml
@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
 
       - run: corepack enable
 
diff --git a/.github/workflows/check_copyright_year.yml b/.github/workflows/check_copyright_year.yml
index 313265f6718e5263e2007b44fc2d83e3071f90ad..fb04cf1b005a22254378e2d8c86fa49b8dcc1af3 100644
--- a/.github/workflows/check_copyright_year.yml
+++ b/.github/workflows/check_copyright_year.yml
@@ -10,7 +10,7 @@ jobs:
   check_copyright_year:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
     - run: |
         if [ "$(grep Copyright COPYING | sed -e 's/.*2014-\([0-9]*\) .*/\1/g')" -ne "$(date +%Y)" ]; then
           echo "Please change copyright year!"
diff --git a/.github/workflows/docker-develop.yml b/.github/workflows/docker-develop.yml
index 05bb7f77f9c5fe6282d891c8e43c57670a8316e6..3e5bb17902c6d71af35997e8da9d1d6c7f339c7b 100644
--- a/.github/workflows/docker-develop.yml
+++ b/.github/workflows/docker-develop.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.repository == 'misskey-dev/misskey'
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
       - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v3.0.0
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 32a98a416d6407bacea1fdda4c4e2ff9d44369a9..33c85cbaf425d8cf54d23b105f0474857f909a07 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
       - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v3.0.0
diff --git a/.github/workflows/dockle.yml b/.github/workflows/dockle.yml
index d811944d61f66b1d536a1cb0609651b6955ba294..2a1ac3a16c46aa599857a91bc25abfa4ca672911 100644
--- a/.github/workflows/dockle.yml
+++ b/.github/workflows/dockle.yml
@@ -14,7 +14,7 @@ jobs:
     env:
       DOCKER_CONTENT_TRUST: 1
     steps:
-      - uses: actions/checkout@v4.0.0
+      - uses: actions/checkout@v4.1.0
       - run: |
           curl -L -o dockle.deb "https://github.com/goodwithtech/dockle/releases/download/v0.4.10/dockle_0.4.10_Linux-64bit.deb"
           sudo dpkg -i dockle.deb
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 7c10c23e778962e722a9a42f9b9b2dca9cd1030c..798e6f49a32d1e890c5b5e994cd176e77995500e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -11,7 +11,7 @@ jobs:
   pnpm_install:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         fetch-depth: 0
         submodules: true
@@ -38,7 +38,7 @@ jobs:
         - sw
         - misskey-js
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         fetch-depth: 0
         submodules: true
@@ -64,7 +64,7 @@ jobs:
         - backend
         - misskey-js
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         fetch-depth: 0
         submodules: true
diff --git a/.github/workflows/pr-preview-deploy.yml b/.github/workflows/pr-preview-deploy.yml
index 702d8917e35aa3bf54bbd7894314d3a1fe8f7a6a..44f97645d0663befc002798f09833f3c61604062 100644
--- a/.github/workflows/pr-preview-deploy.yml
+++ b/.github/workflows/pr-preview-deploy.yml
@@ -53,7 +53,7 @@ jobs:
 
     # Check out merge commit
     - name: Fork based /deploy checkout
-      uses: actions/checkout@v4.0.0
+      uses: actions/checkout@v4.1.0
       with:
         ref: 'refs/pull/${{ github.event.client_payload.pull_request.number }}/merge'
 
diff --git a/.github/workflows/test-backend.yml b/.github/workflows/test-backend.yml
index 19496c8959f0ed6d79ade4334051208606d5f0de..ac7d1afda1feef25b17ff0cab2fda629fd83967e 100644
--- a/.github/workflows/test-backend.yml
+++ b/.github/workflows/test-backend.yml
@@ -29,7 +29,7 @@ jobs:
           - 56312:6379
 
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         submodules: true
     - name: Install pnpm
diff --git a/.github/workflows/test-frontend.yml b/.github/workflows/test-frontend.yml
index 0618a0ef0af85b21f280cb0535d43dff5ae789a3..e67b5165460501537c5ca0d3575fca6430ce7a19 100644
--- a/.github/workflows/test-frontend.yml
+++ b/.github/workflows/test-frontend.yml
@@ -16,7 +16,7 @@ jobs:
         node-version: [20.5.1]
 
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         submodules: true
     - name: Install pnpm
@@ -68,7 +68,7 @@ jobs:
           - 56312:6379
 
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         submodules: true
     # https://github.com/cypress-io/cypress-docker-images/issues/150
diff --git a/.github/workflows/test-misskey-js.yml b/.github/workflows/test-misskey-js.yml
index 7999c183b1605b1bc7f87f761bc55193f17517c9..1846b628d318f0b95123fdcec41e6b443e8c664a 100644
--- a/.github/workflows/test-misskey-js.yml
+++ b/.github/workflows/test-misskey-js.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
 
       - run: corepack enable
 
diff --git a/.github/workflows/test-production.yml b/.github/workflows/test-production.yml
index 0504f42d169eb9b67109d7229f9da459909e0e02..c570018962d01f2c01d5fc291f327c0ab00f7f19 100644
--- a/.github/workflows/test-production.yml
+++ b/.github/workflows/test-production.yml
@@ -19,7 +19,7 @@ jobs:
         node-version: [20.5.1]
 
     steps:
-    - uses: actions/checkout@v4.0.0
+    - uses: actions/checkout@v4.1.0
       with:
         submodules: true
     - name: Install pnpm