diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b70914a..a49e7f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ['3.10', '3.11', '3.12']
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -79,7 +79,7 @@ jobs:
     needs: [test, lint]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -113,7 +113,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 1dbd91d..bd13bb7 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         language: [python]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6b72073..2b0a2bd 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.10'
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index b9eb057..d26ad44 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
     - uses: actions/setup-python@v6
       with: { python-version: "3.10" }
     - run: python3 -m pip install build --user