diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa9ced5..3b91b35 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Configure Git Credentials
         run: |
           git config user.name github-actions[bot]
diff --git a/.github/workflows/py_audit.yml b/.github/workflows/py_audit.yml
index a05a583..86d4725 100644
--- a/.github/workflows/py_audit.yml
+++ b/.github/workflows/py_audit.yml
@@ -22,7 +22,7 @@ jobs:
     outputs:
       has_python: ${{ steps.check.outputs.has_python }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - id: check
         run: |
           if [ -d "python" ] && find python -name "*.py" | grep -q .; then
@@ -42,7 +42,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
         python-version: ["3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/py_pre-commit.yml b/.github/workflows/py_pre-commit.yml
index 47d13ce..a6e392a 100644
--- a/.github/workflows/py_pre-commit.yml
+++ b/.github/workflows/py_pre-commit.yml
@@ -20,7 +20,7 @@ jobs:
     outputs:
       has_python: ${{ steps.check.outputs.has_python }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - id: check
         run: |
           if [ -d "python" ] && find python -name "*.py" | grep -q .; then
@@ -39,7 +39,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
diff --git a/.github/workflows/py_pytest.yml b/.github/workflows/py_pytest.yml
index 664d5e7..0003bd6 100644
--- a/.github/workflows/py_pytest.yml
+++ b/.github/workflows/py_pytest.yml
@@ -21,7 +21,7 @@ jobs:
       has_python: ${{ steps.check.outputs.has_python }}
       has_tests: ${{ steps.check.outputs.has_tests }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - id: check
         run: |
           if [ -d "python" ] && find python -name "*.py" | grep -q .; then
@@ -46,7 +46,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
         python-version: ["3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/rs_audit.yml b/.github/workflows/rs_audit.yml
index 996220d..69ce5f0 100644
--- a/.github/workflows/rs_audit.yml
+++ b/.github/workflows/rs_audit.yml
@@ -22,7 +22,7 @@ jobs:
     outputs:
       has_rust: ${{ steps.check.outputs.has_rust }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - id: check
         run: |
           if [ -d "rust" ] && find rust -name "*.rs" | grep -q .; then
@@ -41,7 +41,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install Rust toolchain
         working-directory: rust/hhat_lang
         run: rustup show
diff --git a/.github/workflows/rs_check.yml b/.github/workflows/rs_check.yml
index f9587fa..bae1a28 100644
--- a/.github/workflows/rs_check.yml
+++ b/.github/workflows/rs_check.yml
@@ -20,7 +20,7 @@ jobs:
     outputs:
       has_rust: ${{ steps.check.outputs.has_rust }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - id: check
         run: |
           if [ -d "rust" ] && find rust -name "*.rs" | grep -q .; then
@@ -39,7 +39,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install Rust toolchain
         working-directory: rust/hhat_lang
         run: rustup show
diff --git a/.github/workflows/rs_test.yml b/.github/workflows/rs_test.yml
index 740b5be..ead850f 100644
--- a/.github/workflows/rs_test.yml
+++ b/.github/workflows/rs_test.yml
@@ -20,7 +20,7 @@ jobs:
     outputs:
       has_rust: ${{ steps.check.outputs.has_rust }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - id: check
         run: |
           if [ -d "rust" ] && find rust -name "*.rs" | grep -q .; then
@@ -39,7 +39,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install Rust toolchain
         working-directory: rust/hhat_lang
         run: rustup show