diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2a738d4..ad2fb00 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Print Python version
       run: echo "Python version is $PYTHON_VERSION"
@@ -79,7 +79,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Restore pyenv cache
       uses: actions/cache@v4