diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 94d79da..fa9764f 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         python-version: ["3.12", "3.11", "3.10", 3.9, 3.8, pypy-3.9]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with: