diff --git a/Dockerfile b/Dockerfile
index dbbf2ac..dfd2f99 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,6 +29,7 @@ RUN apt-get update && \
     wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-ubuntu2004.pin && \
     mv cuda-ubuntu2004.pin /etc/apt/preferences.d/cuda-repository-pin-600  && \
     apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/7fa2af80.pub  && \
+    apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/3bf863cc.pub  && \
     add-apt-repository "deb https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/ /" && \
     rm -rf /var/lib/apt/lists/* && \
     rm -rf /etc/apt/sources.list.d/cuda.list && \