diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e652776..44d453a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     name: Go ${{ matrix.go }} test
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
diff --git a/.github/workflows/toc.yml b/.github/workflows/toc.yml
index a82156a..004a1eb 100644
--- a/.github/workflows/toc.yml
+++ b/.github/workflows/toc.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           ssh-key: ${{ secrets.DEPLOY_KEY }}
       - run: sudo npm i --global doctoc