diff --git a/cmake/external/dlpack.cmake b/cmake/external/dlpack.cmake
index 727202a43468373508fea86e1d5f17eee44b435d..fc631c1d184aaf4651d96d8fbbc2ed107bfb5294 100644
--- a/cmake/external/dlpack.cmake
+++ b/cmake/external/dlpack.cmake
@@ -17,6 +17,7 @@ include(ExternalProject)
 set(DLPACK_PREFIX_DIR ${THIRD_PARTY_PATH}/dlpack)
 
 set(DLPACK_REPOSITORY ${GIT_URL}/dmlc/dlpack.git)
+
 set(DLPACK_TAG v0.4)
 
 set(DLPACK_INCLUDE_DIR ${THIRD_PARTY_PATH}/dlpack/src/extern_dlpack/include)
diff --git a/tools/dockerfile/Dockerfile.ubuntu b/tools/dockerfile/Dockerfile.ubuntu
index fba5365f8b25ed470b3b23440af56cb7164a07fe..fd7e476f710aba040b092ead33156428f29d3c77 100644
--- a/tools/dockerfile/Dockerfile.ubuntu
+++ b/tools/dockerfile/Dockerfile.ubuntu
@@ -42,8 +42,8 @@ RUN wget https://github.com/koalaman/shellcheck/releases/download/v0.7.1/shellch
 
 # install cmake
 WORKDIR /home
-RUN wget -q https://cmake.org/files/v3.16/cmake-3.16.0-Linux-x86_64.tar.gz && tar -zxvf cmake-3.16.0-Linux-x86_64.tar.gz && rm cmake-3.16.0-Linux-x86_64.tar.gz
-ENV PATH=/home/cmake-3.16.0-Linux-x86_64/bin:$PATH
+RUN wget -q https://cmake.org/files/v3.18/cmake-3.18.0-Linux-x86_64.tar.gz && tar -zxvf cmake-3.18.0-Linux-x86_64.tar.gz && rm cmake-3.18.0-Linux-x86_64.tar.gz
+ENV PATH=/home/cmake-3.18.0-Linux-x86_64/bin:$PATH
 
 # Install Python3.7
 RUN wget -q https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tgz && \
diff --git a/tools/dockerfile/Dockerfile.ubuntu18 b/tools/dockerfile/Dockerfile.ubuntu18
index 35397967f283f64c0908ea99bee05deb207db564..41f8f97db0018a4c3dfa34e46631375901e0d64d 100644
--- a/tools/dockerfile/Dockerfile.ubuntu18
+++ b/tools/dockerfile/Dockerfile.ubuntu18
@@ -50,8 +50,8 @@ ENV PATH=/usr/local/gcc-8.2/bin:$PATH
 
 # install cmake
 WORKDIR /home
-RUN wget -q https://cmake.org/files/v3.16/cmake-3.16.0-Linux-x86_64.tar.gz && tar -zxvf cmake-3.16.0-Linux-x86_64.tar.gz && rm cmake-3.16.0-Linux-x86_64.tar.gz
-ENV PATH=/home/cmake-3.16.0-Linux-x86_64/bin:$PATH
+RUN wget -q https://cmake.org/files/v3.18/cmake-3.18.0-Linux-x86_64.tar.gz && tar -zxvf cmake-3.18.0-Linux-x86_64.tar.gz && rm cmake-3.18.0-Linux-x86_64.tar.gz
+ENV PATH=/home/cmake-3.18.0-Linux-x86_64/bin:$PATH
 
 
 RUN apt-get update && \