diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 359d566..24a19f0 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -32,7 +32,7 @@ jobs:
             python: { version: "3.7", toxenv: "py37" }
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5.6.0
         with:
           python-version: ${{ matrix.python.version }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 6e10040..1a351ea 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -46,7 +46,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index e0ab0a7..529145e 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -21,7 +21,7 @@ jobs:
       - style_check
       - run_tests
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.10"
diff --git a/.github/workflows/style-check.yml b/.github/workflows/style-check.yml
index f8b986d..c5f7243 100644
--- a/.github/workflows/style-check.yml
+++ b/.github/workflows/style-check.yml
@@ -11,7 +11,7 @@ jobs:
     name: FString Formatting (flynt)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.10"
@@ -26,7 +26,7 @@ jobs:
     name: Sort Import (isort)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.10"
@@ -41,7 +41,7 @@ jobs:
     name: Code Formatting (black)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.10"
@@ -56,7 +56,7 @@ jobs:
     name: Linting (flake8)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.10"