diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index 9525e34..ca893ef 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -85,7 +85,7 @@ jobs:
           echo "computed hash: $HASH"                    
 
       - name: Upload Artifact
-        uses: https://git.kjan.de/actions/upload-artifact@v3
+        uses: https://git.kjan.de/actions/upload-artifact@v4
         with:
           path: firmware/
           name: firmware