diff --git a/.github/workflows/build-and-publish.yml b/.github/workflows/build-and-publish.yml
index de5b0636..01db34cb 100644
--- a/.github/workflows/build-and-publish.yml
+++ b/.github/workflows/build-and-publish.yml
@@ -41,7 +41,7 @@ jobs:
     timeout-minutes: 20
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.inputs.branch }}
       - name: Install Python
@@ -66,7 +66,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.inputs.branch }}
       - name: Install Python
@@ -92,7 +92,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.inputs.branch }}
       - name: Install Python
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c482acb2..3e95a684 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -87,7 +87,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v4