diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8782a16..e3fe56d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index bb6c141..16065dc 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -40,7 +40,7 @@ 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/dependency-review.yml b/.github/workflows/dependency-review.yml
index 2692078..0450574 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
         with:
diff --git a/.github/workflows/self-test.yml b/.github/workflows/self-test.yml
index 142216f..509d0ca 100644
--- a/.github/workflows/self-test.yml
+++ b/.github/workflows/self-test.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Get Token
         id: get_workflow_token