diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce93c23..1e5ab30 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
         compiler: [gcc, clang]
         build_type: [debug, release]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: install-clang
       if: matrix.compiler == 'clang'
       run: |