diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index e8f9ef6..6a4897b 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -59,7 +59,7 @@ jobs:
         name: "Python: ${{ matrix.py }}-${{ matrix.architecture }} on ${{ matrix.os }}"
         runs-on: ${{ matrix.os }}
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v5
               with:
@@ -79,7 +79,7 @@ jobs:
         runs-on: ubuntu-latest
         name: Validate coverage
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v5
               with:
@@ -91,7 +91,7 @@ jobs:
         runs-on: ubuntu-latest
         name: Build the documentation
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v5
               with:
@@ -103,7 +103,7 @@ jobs:
         runs-on: ubuntu-latest
         name: Lint the package
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v5
               with: