diff --git a/common/common-manylinux.crosstool b/common/common-manylinux.crosstool
index 34bb485..535e144 100644
--- a/common/common-manylinux.crosstool
+++ b/common/common-manylinux.crosstool
@@ -18,7 +18,7 @@ ENV MANYLINUX_DEPS="glibc-devel glibc-devel.i686 libstdc++-devel glib2-devel lib
 
 ENV PYTHON_COMPILE_DEPS="python-devel zlib-devel bzip2-devel expat-devel ncurses-devel readline-devel tk-devel gdbm-devel libdb-devel libpcap-devel xz-devel openssl-devel keyutils-libs-devel krb5-devel libcom_err-devel libidn-devel curl-devel perl-devel"
 
-ENV TOOLCHAIN_DEPS="devtoolset-9-binutils devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-gcc-gfortran"
+ENV TOOLCHAIN_DEPS="devtoolset-10-binutils devtoolset-10-gcc devtoolset-10-gcc-c++ devtoolset-10-gcc-gfortran"
 
 # Install dependent packages required for `ct-ng`.
 RUN \
@@ -62,7 +62,7 @@ RUN \
   rm -rf /dockcross/crosstool /dockcross/install-crosstool-ng-toolchain.sh && \
   # Remove sudo provided by devtoolset since it doesn't work with
   # our sudo wrapper calling gosu.
-  rm -f /opt/rh/devtoolset-9/root/usr/bin/sudo
+  rm -f /opt/rh/devtoolset-10/root/usr/bin/sudo
 
 # Restore our default workdir (from "dockcross/base").
 WORKDIR /work
diff --git a/common/common.manylinux b/common/common.manylinux
index e703860..9b2eaa9 100644
--- a/common/common.manylinux
+++ b/common/common.manylinux
@@ -23,6 +23,7 @@ RUN \
   rm -f /opt/rh/devtoolset-7/root/usr/bin/sudo && \
   rm -f /opt/rh/devtoolset-8/root/usr/bin/sudo && \
   rm -f /opt/rh/devtoolset-9/root/usr/bin/sudo && \
+  rm -f /opt/rh/devtoolset-10/root/usr/bin/sudo && \
   /buildscripts/install-python-packages.sh && \
   rm -rf /buildscripts
 
diff --git a/imagefiles/build-and-install-cmake.sh b/imagefiles/build-and-install-cmake.sh
index adb4e7a..aaee83f 100755
--- a/imagefiles/build-and-install-cmake.sh
+++ b/imagefiles/build-and-install-cmake.sh
@@ -4,6 +4,9 @@ set -ex
 
 WRAPPER=""
 
+CMAKE_URL="https://gitlab.kitware.com/cmake/cmake.git"
+CMAKE_MIRROR_URL="https://github.com/Kitware/CMake.git"
+
 while [ $# -gt 0 ]; do
   case "$1" in
     -32)
@@ -29,7 +32,9 @@ fi
 
 cd /usr/src
 
-git clone https://gitlab.kitware.com/cmake/cmake.git CMake -b v$CMAKE_VERSION --depth 1
+# If the first link doesn't work, it will use the mirror on github
+git clone "$CMAKE_URL" CMake -b v$CMAKE_VERSION --depth 1 \
+  || git clone "$CMAKE_MIRROR_URL" CMake -b v$CMAKE_VERSION --depth 1
 
 mkdir /usr/src/CMake-build
 cd /usr/src/CMake-build
diff --git a/manylinux2014-x64/Dockerfile.in b/manylinux2014-x64/Dockerfile.in
index 2dac6c1..8bb9633 100644
--- a/manylinux2014-x64/Dockerfile.in
+++ b/manylinux2014-x64/Dockerfile.in
@@ -16,7 +16,7 @@ RUN echo $'#!/bin/bash\n\
 LD_PRELOAD=/usr/lib64/libcurl.so.4 /usr/bin/yum "$@"' > /usr/local/bin/yum && chmod a+x /usr/local/bin/yum
 
 ENV CROSS_TRIPLE x86_64-linux-gnu
-ENV CROSS_ROOT /opt/rh/devtoolset-9/root/usr/bin
+ENV CROSS_ROOT /opt/rh/devtoolset-10/root/usr/bin
 ENV AS=${CROSS_ROOT}/as \
     AR=${CROSS_ROOT}/ar \
     CC=${CROSS_ROOT}/gcc \
diff --git a/manylinux2014-x64/Toolchain.cmake b/manylinux2014-x64/Toolchain.cmake
index 4b2d037..4d34d56 100644
--- a/manylinux2014-x64/Toolchain.cmake
+++ b/manylinux2014-x64/Toolchain.cmake
@@ -5,7 +5,7 @@ set(CMAKE_SYSTEM_PROCESSOR x86_64)
 
 set(MANYLINUX2014 TRUE)
 
-set(CMAKE_C_COMPILER /opt/rh/devtoolset-9/root/usr/bin/gcc)
-set(CMAKE_CXX_COMPILER /opt/rh/devtoolset-9/root/usr/bin/g++)
+set(CMAKE_C_COMPILER /opt/rh/devtoolset-10/root/usr/bin/gcc)
+set(CMAKE_CXX_COMPILER /opt/rh/devtoolset-10/root/usr/bin/g++)
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_Fortran_COMPILER /opt/rh/devtoolset-9/root/usr/bin/gfortran)
+set(CMAKE_Fortran_COMPILER /opt/rh/devtoolset-10/root/usr/bin/gfortran)
diff --git a/manylinux2014-x86/Dockerfile.in b/manylinux2014-x86/Dockerfile.in
index 0c0c4c1..6888b20 100644
--- a/manylinux2014-x86/Dockerfile.in
+++ b/manylinux2014-x86/Dockerfile.in
@@ -16,7 +16,7 @@ RUN echo $'#!/bin/bash\n\
 LD_PRELOAD=/usr/lib/libcurl.so.4 /usr/bin/yum "$@"' > /usr/local/bin/yum && chmod a+x /usr/local/bin/yum
 
 ENV CROSS_TRIPLE i686-linux-gnu
-ENV CROSS_ROOT /opt/rh/devtoolset-9/root/usr/bin
+ENV CROSS_ROOT /opt/rh/devtoolset-10/root/usr/bin
 ENV AS=${CROSS_ROOT}/as \
     AR=${CROSS_ROOT}/ar \
     CC=${CROSS_ROOT}/gcc \
diff --git a/manylinux2014-x86/Toolchain.cmake b/manylinux2014-x86/Toolchain.cmake
index e544d3d..2a6ca8b 100644
--- a/manylinux2014-x86/Toolchain.cmake
+++ b/manylinux2014-x86/Toolchain.cmake
@@ -5,7 +5,7 @@ set(CMAKE_SYSTEM_PROCESSOR i686)
 
 set(MANYLINUX2014 TRUE)
 
-set(CMAKE_C_COMPILER /opt/rh/devtoolset-9/root/usr/bin/gcc)
-set(CMAKE_CXX_COMPILER /opt/rh/devtoolset-9/root/usr/bin/g++)
+set(CMAKE_C_COMPILER /opt/rh/devtoolset-10/root/usr/bin/gcc)
+set(CMAKE_CXX_COMPILER /opt/rh/devtoolset-10/root/usr/bin/g++)
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_Fortran_COMPILER /opt/rh/devtoolset-9/root/usr/bin/gfortran)
+set(CMAKE_Fortran_COMPILER /opt/rh/devtoolset-10/root/usr/bin/gfortran)