diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 7cd3d795c..d8d70ac5a 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
+      - uses: actions/checkout@v4.1.1
       - 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 d8e04a645..58368f40b 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
+      - uses: actions/checkout@v4.1.1
 
       - name: setup
         shell: cmd
diff --git a/.github/workflows/build_with_s2e.yml b/.github/workflows/build_with_s2e.yml
index 4d38bcb14..0ac5e1485 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
+        uses: actions/checkout@v4.1.1
         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
+        uses: actions/checkout@v4.1.1
         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
+        uses: actions/checkout@v4.1.1
         with:
           path: c2a-core
 
diff --git a/.github/workflows/check_code_generation.yml b/.github/workflows/check_code_generation.yml
index 650dc1738..c8645f8f1 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
+      - uses: actions/checkout@v4.1.1
 
       - name: run code-generator
         working-directory: ./code-generator
diff --git a/.github/workflows/check_encoding.yml b/.github/workflows/check_encoding.yml
index 9e68521d5..0afb5e53e 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
+      - uses: actions/checkout@v4.1.1
       - uses: actions/setup-python@v4
         with:
           python-version-file: .github/workflows/.python-version
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index f3b98600d..04b53b8d7 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
+      - uses: actions/checkout@v4.1.1
 
       - 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 a4fd423aa..d37c846fe 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.1.0
+    - uses: actions/checkout@v4.1.1
       with:
         submodules: recursive
 
diff --git a/.github/workflows/python_check_format.yml b/.github/workflows/python_check_format.yml
index b89df7c9d..d92daf014 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
+      - uses: actions/checkout@v4.1.1
 
       - 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 a5aa4aa66..f17ab8664 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
+      - uses: actions/checkout@v4.1.1
 
       - name: Set up python environment
         uses: actions/setup-python@v4
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 505ccf115..ae94404a7 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
+      - uses: actions/checkout@v4.1.1
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/validate-renovate.yml b/.github/workflows/validate-renovate.yml
index 8dd286618..d0bcadaaf 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
+      - uses: actions/checkout@v4.1.1
       - uses: actions/setup-node@v3
 
       - name: install