diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 87ea64c4..9c0ffcb8 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 0d4a0136..046e9c88 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -15,6 +15,6 @@ 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
diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index 91a6fd7a..73f7467f 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -9,7 +9,7 @@ jobs:
     name: mypy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6
diff --git a/.github/workflows/ruff.yml b/.github/workflows/ruff.yml
index 7d636e0b..e569f5bc 100644
--- a/.github/workflows/ruff.yml
+++ b/.github/workflows/ruff.yml
@@ -6,7 +6,7 @@ jobs:
   ruff:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/ruff-action@v3
         with:
           args: " check --output-format=concise"
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 18aa8c35..8454aa52 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -31,7 +31,7 @@ jobs:
           --health-retries 5
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6