diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a93b4fe..3960279 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout sources
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup .NET
       uses: actions/setup-dotnet@v3
       with: