diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 18366c6..2c6b3e6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install texlive
       run: |
         sudo apt-get install texlive-latex-extra texlive-fonts-extra
diff --git a/.github/workflows/license.yaml b/.github/workflows/license.yaml
index d7f6796..5124d0b 100644
--- a/.github/workflows/license.yaml
+++ b/.github/workflows/license.yaml
@@ -16,6 +16,6 @@ jobs:
     name: License Check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Check
       uses: fsfe/reuse-action@master