diff --git a/.github/workflows/jekyll.yml b/.github/workflows/jekyll.yml
index 8b3a7b1..4e4fc43 100644
--- a/.github/workflows/jekyll.yml
+++ b/.github/workflows/jekyll.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index 3008204..4bf4956 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -9,7 +9,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/republish.yml b/.github/workflows/republish.yml
index 15774e3..8a27117 100644
--- a/.github/workflows/republish.yml
+++ b/.github/workflows/republish.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/todo.yml b/.github/workflows/todo.yml
index eb4cb10..b036d20 100644
--- a/.github/workflows/todo.yml
+++ b/.github/workflows/todo.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Run Issue Bot
         uses: juulsn/todo-issue@main