diff --git a/.github/workflows/check-requirements.yml b/.github/workflows/check-requirements.yml
index c6207fd..3eee364 100644
--- a/.github/workflows/check-requirements.yml
+++ b/.github/workflows/check-requirements.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
       - name: "Git clone"
         id: "git-clone"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
       - name: "Set up Python ${{ env.DEFAULT_PYTHON_VERSION }}"
         id: "set-up-python"
         uses: "actions/setup-python@v2"
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index a57fb3f..6e53223 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: "Git clone"
         id: "git-clone"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
       - name: "Set up Python ${{ env.DEFAULT_PYTHON_VERSION }}"
         id: "set-up-python"
         uses: "actions/setup-python@v2"
diff --git a/.github/workflows/coveralls.yml b/.github/workflows/coveralls.yml
index e56cc20..ecdedb5 100644
--- a/.github/workflows/coveralls.yml
+++ b/.github/workflows/coveralls.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - name: "Git clone"
         id: "git-clone"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
       - name: "Set up Python ${{ env.DEFAULT_PYTHON_VERSION }}"
         id: "set-up-python"
         uses: "actions/setup-python@v2"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d2c49ec..32f81bf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,7 +18,7 @@ jobs:
     steps:
       - name: "Git clone"
         id: "git-clone"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
       - name: "Set up Python ${{ matrix.python-version }}"
         id: "set-up-python"
         uses: "actions/setup-python@v2"