diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 039f96188..5b5424541 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -40,7 +40,8 @@ jobs:
               build-essential checkinstall zlib1g-dev libssl-dev git libpthread-stubs0-dev \
               libcudnn8=$cudnn_version-1+$cuda_version libcudnn8-dev=$cudnn_version-1+$cuda_version \
               libblas{3,-dev} liblapack{3,-dev} libatlas-base-dev libopenblas-dev && \
-              whereis nvcc
+          wget -q https://developer.download.nvidia.com/compute/cuda/12.2.1/local_installers/cuda_12.2.1_535.86.10_linux.run && \
+          sh cuda_12.2.1_535.86.10_linux.run --silent --toolkit
 
       - name: Setup Java
         uses: actions/setup-java@v3