diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1bb369b..fcf4716 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         path: 'source'
         fetch-depth: 0