diff --git a/.github/workflows/testsuite.yml b/.github/workflows/testsuite.yml
index 28791d6..48e96a3 100644
--- a/.github/workflows/testsuite.yml
+++ b/.github/workflows/testsuite.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: |
@@ -49,7 +49,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5