diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index b7a317f..3c5e6c2 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -37,7 +37,7 @@ jobs:
         name: "Python: ${{ matrix.py }}-${{ matrix.architecture }} on ${{ matrix.os }}"
         runs-on: ${{ matrix.os }}
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v4
               with:
@@ -50,7 +50,7 @@ jobs:
         runs-on: ubuntu-latest
         name: Validate coverage
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v4
               with:
@@ -62,7 +62,7 @@ jobs:
         runs-on: ubuntu-latest
         name: Build the documentation
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v4
               with:
@@ -74,7 +74,7 @@ jobs:
         runs-on: ubuntu-latest
         name: Lint the package
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - name: Setup python
               uses: actions/setup-python@v4
               with: