diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 58d4679..afd5d94 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
           root_file: doc.tex
 
       - name: Upload PDF file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: PDF
           path: doc.pdf