diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index d8d70ac5a..4f63214bc 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -9,7 +9,7 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
       - uses: reviewdog/action-actionlint@v1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/build_as_cxx.yml b/.github/workflows/build_as_cxx.yml
index 58368f40b..5da5c8463 100644
--- a/.github/workflows/build_as_cxx.yml
+++ b/.github/workflows/build_as_cxx.yml
@@ -18,7 +18,7 @@ jobs:
           - subobc
 
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
 
       - name: setup
         shell: cmd
diff --git a/.github/workflows/build_with_s2e.yml b/.github/workflows/build_with_s2e.yml
index 5313942ee..877f8eaf0 100644
--- a/.github/workflows/build_with_s2e.yml
+++ b/.github/workflows/build_with_s2e.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: checkout S2E core
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4.1.6
         with:
           path: s2e-core
           repository: ut-issl/s2e-core
@@ -32,7 +32,7 @@ jobs:
           fetch-depth: 1
 
       - name: checkout S2E user
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4.1.6
         with:
           path: s2e-user
           repository: ut-issl/s2e-user-for-c2a-core
@@ -40,7 +40,7 @@ jobs:
           fetch-depth: 1
 
       - name: checkout C2A user
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4.1.6
         with:
           path: c2a-core
 
diff --git a/.github/workflows/check_code_generation.yml b/.github/workflows/check_code_generation.yml
index 112b9aecc..44dc3871f 100644
--- a/.github/workflows/check_code_generation.yml
+++ b/.github/workflows/check_code_generation.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
 
       - name: prepare code-generator settings
         working-directory: ./code-generator
diff --git a/.github/workflows/check_encoding.yml b/.github/workflows/check_encoding.yml
index b146f2e38..8e5e795e8 100644
--- a/.github/workflows/check_encoding.yml
+++ b/.github/workflows/check_encoding.yml
@@ -11,7 +11,7 @@ jobs:
   check_encoding:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
       - uses: actions/setup-python@v5.1.0
         with:
           python-version-file: .github/workflows/.python-version
diff --git a/.github/workflows/deploy-reference.yml b/.github/workflows/deploy-reference.yml
index 83b243471..952ccb8bd 100644
--- a/.github/workflows/deploy-reference.yml
+++ b/.github/workflows/deploy-reference.yml
@@ -19,7 +19,7 @@ jobs:
           sudo apt-get update -y
           sudo apt install -y doxygen graphviz
 
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
 
       - name: C2A setup
         run: ./setup.sh
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 04b53b8d7..1bd34cee0 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
 
       - name: Run Labeler
         uses: crazy-max/ghaction-github-labeler@v5.0.0
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 2453fe16e..3bac1ee46 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.1.1
+    - uses: actions/checkout@v4.1.6
       with:
         submodules: recursive
 
diff --git a/.github/workflows/python_check_format.yml b/.github/workflows/python_check_format.yml
index d92daf014..413907627 100644
--- a/.github/workflows/python_check_format.yml
+++ b/.github/workflows/python_check_format.yml
@@ -11,7 +11,7 @@ jobs:
   black_format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
 
       - name: install black formatter
         run: pip install black==23.1.0
diff --git a/.github/workflows/python_lint.yml b/.github/workflows/python_lint.yml
index 0d7f6f16a..729a0f93a 100644
--- a/.github/workflows/python_lint.yml
+++ b/.github/workflows/python_lint.yml
@@ -11,7 +11,7 @@ jobs:
   flake8_lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
 
       - name: Set up python environment
         uses: actions/setup-python@v5.1.0
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 964141f77..ecbd7282f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/validate-renovate.yml b/.github/workflows/validate-renovate.yml
index 9fe7b51c1..ffa71a8a1 100644
--- a/.github/workflows/validate-renovate.yml
+++ b/.github/workflows/validate-renovate.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
       - uses: actions/setup-node@v4.0.2
 
       - name: install