diff --git a/dockerfiles/Dockerfile.cuda b/dockerfiles/Dockerfile.cuda
index e3d5de8f0f..5da216b776 100644
--- a/dockerfiles/Dockerfile.cuda
+++ b/dockerfiles/Dockerfile.cuda
@@ -11,7 +11,7 @@ MAINTAINER Changming Sun "chasun@microsoft.com"
 ADD . /code
 
 ENV PATH /usr/local/nvidia/bin:/usr/local/cuda/bin:${PATH}
-RUN apt-get update && apt-get install -y --no-install-recommends python3-dev ca-certificates g++ python3-numpy gcc make git python3-setuptools python3-wheel python3-pip aria2 && aria2c -q -d /tmp -o cmake-3.24.3-linux-x86_64.tar.gz https://github.com/Kitware/CMake/releases/download/v3.24.3/cmake-3.24.3-linux-x86_64.tar.gz && tar -zxf /tmp/cmake-3.24.3-linux-x86_64.tar.gz --strip=1 -C /usr
+RUN apt-get update && apt-get install -y --no-install-recommends python3-dev ca-certificates g++ python3-numpy gcc make git python3-setuptools python3-wheel python3-packaging python3-pip aria2 && aria2c -q -d /tmp -o cmake-3.24.3-linux-x86_64.tar.gz https://github.com/Kitware/CMake/releases/download/v3.24.3/cmake-3.24.3-linux-x86_64.tar.gz && tar -zxf /tmp/cmake-3.24.3-linux-x86_64.tar.gz --strip=1 -C /usr
 
 RUN cd /code && /bin/bash ./build.sh --skip_submodule_sync --cuda_home /usr/local/cuda --cudnn_home /usr/lib/x86_64-linux-gnu/ --use_cuda --config Release --build_wheel --update --build --parallel --cmake_extra_defines ONNXRUNTIME_VERSION=$(cat ./VERSION_NUMBER) 'CMAKE_CUDA_ARCHITECTURES=52;60;61;70;75;86'
 
diff --git a/dockerfiles/README.md b/dockerfiles/README.md
index 75dd026396..81570b21b9 100644
--- a/dockerfiles/README.md
+++ b/dockerfiles/README.md
@@ -41,7 +41,7 @@ git submodule update --init
   ```
 
 ## CUDA
-**Ubuntu 18.04, CUDA 10.2, CuDNN 8**
+**Ubuntu 20.04, CUDA 11.4, CuDNN 8**
 
 1. Update submodules
 ```