diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5b46830..a006033 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: teatimeguest/setup-texlive-action@v3
         with:
           packages: scheme-full