diff --git a/Dockerfile b/Dockerfile
index e371696..cf08a6e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nvidia/cuda:10.2-cudnn8-devel-ubuntu18.04
+FROM nvidia/cuda:11.7.0-cudnn8-devel-ubuntu18.04
 
 # encoding
 RUN echo "LC_ALL=en_US.UTF-8" >> /etc/environment