diff --git a/.github/workflows/build_publish.yml b/.github/workflows/build_publish.yml
index 4a8d6d4..d423fec 100644
--- a/.github/workflows/build_publish.yml
+++ b/.github/workflows/build_publish.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
 
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Build PDF
         uses: xu-cheng/latex-action@v3