diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 3508696..34894bc 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       - name: Run Labeler
         uses: crazy-max/ghaction-github-labeler@v3.1.1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cfba897..d845546 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 728e457..37a6114 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2.2.2
@@ -99,7 +99,7 @@ jobs:
     needs: tests
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       - name: Set up Python 3.9
         uses: actions/setup-python@v2.2.2