diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ef84a7c..9b20ba5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,7 +22,7 @@ jobs:
         sphinx: ["", "~=7.0", "~=6.0", "~=5.0"]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
@@ -46,7 +46,7 @@ jobs:
         sphinx: ["", "~=7.0", "~=5.0"]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
@@ -86,7 +86,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout source
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Set up Python 3.8
       uses: actions/setup-python@v5
       with: