diff --git a/.github/workflows/build-base-image.yml b/.github/workflows/build-base-image.yml
index 48ea199..893036d 100644
--- a/.github/workflows/build-base-image.yml
+++ b/.github/workflows/build-base-image.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a116a80..fdea03b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     name: Python Linting & Unit Tests
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
 
     - name: Set up Python
       uses: actions/setup-python@v7
@@ -67,7 +67,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
       with:
         fetch-depth: 2  # Need previous commit to check changes
 
@@ -266,7 +266,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Report build optimization status
       run: |
@@ -469,7 +469,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Set up Python
       uses: actions/setup-python@v7
@@ -571,7 +571,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Log in to Container Registry
       uses: docker/login-action@v3
@@ -632,7 +632,7 @@ jobs:
         python-version: ['3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v7
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 5562223..bc4413b 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Install uv
       uses: astral-sh/setup-uv@v8.3.2
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index a3e2a73..ef8cfd6 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -20,7 +20,7 @@ jobs:
       id-token: write  # required for trusted publishing
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v7