diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index cae3872..6385d95 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -44,7 +44,7 @@ jobs:
     steps:
 
     - name: Acquire sources
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup Python
       uses: actions/setup-python@v5