diff --git a/.gitea/workflows/generate.yml b/.gitea/workflows/generate.yml
index 73783a0..13bb076 100644
--- a/.gitea/workflows/generate.yml
+++ b/.gitea/workflows/generate.yml
@@ -14,7 +14,7 @@ jobs:
         run: sudo apt-get update && sudo apt-get install make && sudo make install_ubuntu
       - name: generate
         run: make all
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           name: documents
           path: pdf/*