diff --git a/.gitea/workflows/ssg.yaml b/.gitea/workflows/ssg.yaml
index 9bc49bb..d54f3e6 100644
--- a/.gitea/workflows/ssg.yaml
+++ b/.gitea/workflows/ssg.yaml
@@ -14,7 +14,7 @@ jobs:
           toolchain: stable
       - run: "cargo install mdbook"
       - run: "mdbook build"
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           name: www.zip
           path: book