diff --git a/.github/workflows/nosetests.yml b/.github/workflows/nosetests.yml
index ace2d0e..2515b3f 100644
--- a/.github/workflows/nosetests.yml
+++ b/.github/workflows/nosetests.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{matrix.python-version}}
       uses: actions/setup-python@v4