diff --git a/.github/workflows/run_tests.yaml b/.github/workflows/run_tests.yaml
index 604edddf..720ec3c9 100644
--- a/.github/workflows/run_tests.yaml
+++ b/.github/workflows/run_tests.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout git repo
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: run tests
       shell: bash