diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index 16c1e61..a89b0e0 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -10,7 +10,7 @@ jobs:
   build-and-deploy-book:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index da50505..926c5fe 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -16,7 +16,7 @@ jobs:
     name: Check Manifest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
       - run: pip install check-manifest && check-manifest
 
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5