diff --git a/.github/workflows/build-paper.yml b/.github/workflows/build-paper.yml
index b38507b..d690e06 100644
--- a/.github/workflows/build-paper.yml
+++ b/.github/workflows/build-paper.yml
@@ -24,7 +24,7 @@ jobs:
           paper-path: paper/paper.md
 
       - name: Upload PDF artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: paper
           path: paper/paper.pdf