diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 07a464d..714f595 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
           fetch-depth: 0 # for SonarQube coverage report
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 06ceada..f4d0ac9 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Python set up
         uses: actions/setup-python@v6