diff --git a/.travis.yml b/.travis.yml
index 7011f04..d0033b1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,15 @@ matrix:
       env:
         - PYTHON_VERSION=2.7.15
 
+    - os: linux
+      arch: arm64-graviton2
+      virt: vm
+      group: edge
+      dist: focal
+      language: generic
+      env:
+        - PYTHON_VERSION=3.8.5
+
 before_cache:
   # Cleanup to avoid the cache to grow indefinitely as new package versions are released
   # see https://stackoverflow.com/questions/39930171/cache-brew-builds-with-travis-ci
@@ -43,19 +52,47 @@ before_install:
     if [[ "$TRAVIS_OS_NAME" == "osx" && "${PYTHON_VERSION}" == "3.7.8" ]]; then
       brew install gettext
     fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then mkdir $HOME/bin; ln -s $(which pip2) $HOME/bin/pip; ln -s $(which python2) $HOME/bin/python; fi
-  - python -m pip install --disable-pip-version-check --upgrade pip
-  - pip install -U scikit-ci scikit-ci-addons
-  - ci_addons --install ../addons
+  - |
+    if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+        mkdir $HOME/bin; ln -s $(which pip2) $HOME/bin/pip; ln -s $(which python2) $HOME/bin/python;
+        python -m pip install --disable-pip-version-check --upgrade pip
+        pip install -U scikit-ci scikit-ci-addons
+        ci_addons --install ../addons
+    fi
+  - |
+    if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+        docker run --name python-ninja --rm -itd \
+            -v $(pwd):/io \
+            --env TRAVIS=True \
+            --env TRAVIS_OS_NAME="${TRAVIS_OS_NAME}" \
+            quay.io/pypa/manylinux2014_$(arch) bash
+        docker exec -it python-ninja /io/scripts/docker-build.sh ci_before_install
+    fi
 
 install:
-  - ci install
+  - |
+    if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+        ci install
+    elif [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+        docker exec -it python-ninja /io/scripts/docker-build.sh ci_install
+    fi
 
 script:
-  - ci test
+  - |
+    if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+        ci test
+    elif [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+        docker exec -it python-ninja /io/scripts/docker-build.sh ci_script
+    fi
 
 after_success:
-  - ci after_test
+  - |
+    if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+        ci after_test
+    elif [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+        docker exec -it python-ninja /io/scripts/docker-build.sh ci_after_success
+        docker stop python-ninja
+    fi
 
 deploy:
   # deploy-release
diff --git a/appveyor.yml b/appveyor.yml
index 5ceb92b..ee382b4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -23,7 +23,7 @@ environment:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       PYTHON_DIR: "C:\\Python37"
       PYTHON_VERSION: "3.7.x"
-      PYTHON_ARCH: "64"
+      PYTHON_ARCH: "32"
       BLOCK: "0"
 
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
@@ -41,22 +41,22 @@ cache:
   - C:\\cmake-3.6.2
 
 init:
-  - python -m pip install -U scikit-ci scikit-ci-addons
-  - python -m ci_addons --install ../addons
+  - "%PYTHON_DIR%\\python.exe -m pip install -U scikit-ci scikit-ci-addons"
+  - "%PYTHON_DIR%\\python.exe -m ci_addons --install ../addons"
 
   - ps: ../addons/appveyor/rolling-build.ps1
 
 install:
-  - python -m ci install
+  - "%PYTHON_DIR%\\python.exe -m ci install"
 
 build_script:
-  - python -m ci build
+  - "%PYTHON_DIR%\\python.exe -m ci build"
 
 test_script:
-  - python -m ci test
+  - "%PYTHON_DIR%\\python.exe -m ci test"
 
 after_test:
-  - python -m ci after_test
+  - "%PYTHON_DIR%\\python.exe -m ci after_test"
 
 on_finish:
   - ps: ../addons/appveyor/enable-worker-remote-access.ps1 -check_for_block
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2cb8a6e..fa1c5ad 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,3 @@
-cmake>=0.5.0,<=3.13.3
 codecov>=2.0.5
 coverage>=4.2
 flake8>=3.0.4
diff --git a/scripts/docker-build.sh b/scripts/docker-build.sh
new file mode 100755
index 0000000..2dbd71b
--- /dev/null
+++ b/scripts/docker-build.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+set -e
+set -x
+
+MANYLINUX_PYTHON=cp38-cp38
+export PATH="/opt/python/${MANYLINUX_PYTHON}/bin:$PATH"
+
+cd /io
+
+ci_before_install() {
+    /opt/python/${MANYLINUX_PYTHON}/bin/pip install scikit-ci scikit-ci-addons scikit-build
+}
+
+ci_install() {
+    /opt/python/${MANYLINUX_PYTHON}/bin/ci install
+}
+ci_script() {
+    /opt/python/${MANYLINUX_PYTHON}/bin/ci test
+}
+ci_after_success() {
+    /opt/python/${MANYLINUX_PYTHON}/bin/ci after_test
+}
+
+
+if [[ $1 == 'all' ]]; then
+    ci_before_install
+    ci_install
+    ci_script
+    ci_after_success
+else
+    $1
+fi