diff --git a/.github/workflows/build-package.yaml b/.github/workflows/build-package.yaml
index 754c300..3db20fa 100644
--- a/.github/workflows/build-package.yaml
+++ b/.github/workflows/build-package.yaml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/environment-corrupt-check.yaml b/.github/workflows/environment-corrupt-check.yaml
index dc66fe0..e81abea 100644
--- a/.github/workflows/environment-corrupt-check.yaml
+++ b/.github/workflows/environment-corrupt-check.yaml
@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/pr-autodiff.yaml b/.github/workflows/pr-autodiff.yaml
index ed218dc..334ab79 100644
--- a/.github/workflows/pr-autodiff.yaml
+++ b/.github/workflows/pr-autodiff.yaml
@@ -31,7 +31,7 @@ jobs:
             echo "Retrieved PR head SHA from API: $SHA"
           fi
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ steps.get-pr-sha.outputs.pr_sha }}
           fetch-depth: 0
diff --git a/.github/workflows/pre-commit.yaml b/.github/workflows/pre-commit.yaml
index c9b3b22..14077dd 100644
--- a/.github/workflows/pre-commit.yaml
+++ b/.github/workflows/pre-commit.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Source Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python 3.12
         uses: actions/setup-python@v5
         with: