diff --git a/.github/workflows/server-tests.yml b/.github/workflows/server-tests.yml
index 8b41a3f..88e048c 100644
--- a/.github/workflows/server-tests.yml
+++ b/.github/workflows/server-tests.yml
@@ -34,10 +34,10 @@ jobs:
           - 15672:15672
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: checkout the firecrest repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: eth-cscs/firecrest
         ref: ${{ matrix.firecrest-version }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e0ed17a..c7df899 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
@@ -37,7 +37,7 @@ jobs:
           - 15672:15672
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4