diff --git a/.github/workflows/commit.yml b/.github/workflows/commit.yml
index 5e7689c..0929d84 100644
--- a/.github/workflows/commit.yml
+++ b/.github/workflows/commit.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Check out code.
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python.
         uses: actions/setup-python@v5
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Check out code.
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python ${{ matrix.python }}.
         uses: actions/setup-python@v5
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 73db888..54a148f 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Check out code.
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python.
         uses: actions/setup-python@v5
diff --git a/.github/workflows/scheduled.yml b/.github/workflows/scheduled.yml
index 229168b..f9b1336 100644
--- a/.github/workflows/scheduled.yml
+++ b/.github/workflows/scheduled.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Check out code.
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up latest stable Python.
         uses: actions/setup-python@v5