diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0e5e387..cb313c2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 5170854..9db5482 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -20,7 +20,7 @@ jobs:
       test-files: ${{ steps.files.outputs.test-files }}
     steps:
       - name: Checkout Codes
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: List files
         id: files
@@ -55,7 +55,7 @@ jobs:
       matrix:
         test_script: ${{ fromJSON(needs.list-test-files.outputs.test-files) }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: install requirements
         run: pip install parameterized pytest pytest-xdist