diff --git a/.gitea/workflows/make_png.yaml b/.gitea/workflows/make_png.yaml
index 93152c3..d735de3 100644
--- a/.gitea/workflows/make_png.yaml
+++ b/.gitea/workflows/make_png.yaml
@@ -28,12 +28,12 @@ jobs:
       - name: Generate PNG file for previous
         run: cd prev/build/tests && XDG_RUNTIME_DIR=$PWD xvfb-run -a ./test-basic
       - name: Upload current PNG
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
             name: current-basic
             path: curr/build/tests/image.png
       - name: Upload previous PNG
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
             name: previous-basic
             path: prev/build/tests/image.png