diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
new file mode 100644
index 0000000000..fa9a8c90ed
--- /dev/null
+++ b/.github/workflows/testing.yml
@@ -0,0 +1,124 @@
+name: Libecl testing
+
+on: [push, pull_request]
+
+jobs:
+  build-test-cmake:
+    name: CMake
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ['ubuntu-latest', 'macos-latest']
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        # required for `git describe --tags` to work
+        fetch-depth: 0
+
+    - name: Build libecl
+      run: |
+        mkdir cmake-build
+        cmake -S . -B cmake-build -DBUILD_TESTS=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo
+        cmake --build cmake-build
+
+    - name: Run tests
+      run: |
+        cd cmake-build
+        ctest --output-on-failure
+      env:
+        ECL_SKIP_SIGNAL: absolutely
+        ERT_SHOW_BACKTRACE: yes please!
+
+
+  build-test-wheel:
+    name: Python
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ['ubuntu-latest', 'macos-latest']
+        python: ['3.6', '3.7', '3.8']
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Build Linux Wheel
+      uses: docker://quay.io/pypa/manylinux2010_x86_64
+      with:
+        entrypoint: /github/workspace/ci/github/build_linux_wheel.sh
+        args: ${{ matrix.python }}
+      if: matrix.os == 'ubuntu-latest'
+
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python }}
+
+    - name: Build macOS/Windows Wheel
+      run: pip wheel . --no-deps -w dist
+      if: matrix.os != 'ubuntu-latest'
+
+    - name: Upload wheel as artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: ${{ matrix.os }} Python ${{ matrix.python }} wheel
+        path: dist/*
+
+    - name: Install libecl
+      run: pip install dist/*
+
+    - name: Run Python tests
+      run: |
+        # Runs tests on installed distribution from an empty directory
+        python -m pip install pytest
+
+        # pytest adds every directory up-to and including python/ into sys.path,
+        # meaning that "import ecl" will import python/ecl and not the installed
+        # one. This doesn't work because the libecl.so library only exists in
+        # site-packages, so we copy directories required by the tests out into its
+        # own temporary directory.
+        mkdir test-run; cd test-run
+        mkdir -p {.git,python}
+        ln -s {..,$PWD}/bin
+        ln -s {..,$PWD}/lib
+        ln -s {..,$PWD}/test-data
+        cp -R {..,$PWD}/python/tests
+
+        # Env vars
+        export ECL_SKIP_SIGNAL=1
+        export ERT_SHOW_BACKTRACE=1
+
+        # Run tests
+        python -m pytest python/tests
+
+
+  publish:
+    name: Publish to PyPI
+    runs-on: ubuntu-latest
+    needs: [build-test-wheel]
+
+    # If this is a tagged release
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+
+    steps:
+      - name: Get wheels
+        uses: actions/download-artifact@v2
+        with:
+          path: artifacts
+
+      - name: Move to dist/
+        run: |
+          mkdir dist
+          find artifacts -name "*.whl" -exec mv '{}' dist/ \;
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@v1.3.1
+        with:
+          user: statoil-travis
+          password: ${{ secrets.pypi_password }}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 726773fe93..0000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,134 +0,0 @@
-env:
-  global:
-    - TEST_DEPENDS=pytest
-    # amd64 fo' lyfe
-    - PLAT=x86_64
-    # Tell multibuild to use manylinux2010 docker image (mostly due to cmake's
-    # pypi package not having a manylinux1 wheel)
-    - MB_ML_VER=2010
-    # Show output from util_abort backtraces
-    - ERT_SHOW_BACKTRACE=1
-    # Install via pip
-    - LEGACY_INSTALL=
-    # Put wheels where travis expects them to be
-    - WHEEL_SDIR=dist
-
-language: python
-python: 3.6
-
-services: docker
-sudo: required
-dist: xenial
-
-matrix:
-  fast_finish: true
-  include:
-    # Use multibuild to install via pip + deploy wheels
-    - os: linux
-      name: pip, Linux, py2.7
-      env: MB_PYTHON_VERSION=2.7
-    - os: linux
-      name: pip, Linux, py3.6
-      env: MB_PYTHON_VERSION=3.6
-    - os: linux
-      name: pip, Linux, py3.7
-      env: MB_PYTHON_VERSION=3.7
-    - os: linux
-      name: pip, Linux, py3.8
-      env: MB_PYTHON_VERSION=3.8
-    - os: osx
-      name: pip, macOS, py3.6
-      language: generic
-      env: MB_PYTHON_VERSION=3.6
-    - os: osx
-      name: pip, macOS, py3.7
-      language: generic
-      env: MB_PYTHON_VERSION=3.7
-    - os: osx
-      name: pip, macOS, py3.8
-      language: generic
-      env: MB_PYTHON_VERSION=3.8
-    # Use CMake to setup and install libecl
-    - os: linux
-      name: cmake, Linux, py2.7
-      python: 2.7
-      env:
-        - MB_PYTHON_VERSION=2.7
-        - LEGACY_INSTALL=1
-    - os: linux
-      name: cmake, Linux, py3.6
-      python: 3.6
-      env:
-        - MB_PYTHON_VERSION=3.6
-        - LEGACY_INSTALL=1
-    - os: osx
-      name: cmake, macOS, py3.6
-      language: generic
-      env:
-        - MB_PYTHON_VERSION=3.6
-        - LEGACY_INSTALL=1
-
-before_install:
-  # Test the C stuff before we do anything in pip mode
-  - |
-    if [ -z "${LEGACY_INSTALL}" ]; then
-      mkdir build && pushd build
-      cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTS=ON
-      cmake --build .
-      ctest --output-on-failure
-      popd && rm -rf build
-    fi
-
-  - git clone https://github.com/matthew-brett/multibuild
-  - source multibuild/common_utils.sh
-  - source multibuild/travis_steps.sh
-  - before_install
-
-install:
-  - |
-    if [ -z "${LEGACY_INSTALL}" ]; then
-      build_wheel . $PLAT
-    else
-      pip install -r requirements.txt
-
-      mkdir build
-      pushd build
-      cmake .. -DBUILD_TESTS=ON                               \
-               -DENABLE_PYTHON=ON                             \
-               -DBUILD_APPLICATIONS=ON                        \
-               -DINSTALL_ERT_LEGACY=ON                        \
-               -DERT_USE_OPENMP=ON                            \
-               -DCMAKE_C_FLAGS='-Werror=all'                  \
-               -DCMAKE_CXX_FLAGS='-Werror -Wno-unused-result'
-      make
-      sudo make install
-      popd
-    fi
-
-script:
-  - |
-    if [ -z "${LEGACY_INSTALL}" ]; then
-      install_run $PLAT
-    else
-      export PYTHONPATH="/usr/local/lib/python$MB_PYTHON_VERSION/site-packages:/usr/local/lib/python$MB_PYTHON_VERSION/dist-packages:$PYTHONPATH"
-      python -c "import sys; print('\n'.join(sys.path))"
-      set -e; python -c "import ecl"; set +e
-      pushd build; ctest --output-on-failure; popd
-    fi
-
-before_deploy:
-  # "python setup.py sdist" is called automatically by the deploy step, so
-  # replace it with an empty file so we don't ruin our hard work
-  - rm setup.py
-  - touch setup.py
-
-deploy:
-  - provider: pypi
-    skip_upload_docs: true
-    skip_cleanup: true
-    user: statoil-travis
-    password:
-      secure: "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"
-    on:
-      tags: true
-      condition: !!str [ -z "$LEGACY_INSTALL" ]
diff --git a/ci/github/build_linux_wheel.sh b/ci/github/build_linux_wheel.sh
new file mode 100755
index 0000000000..995f472e3e
--- /dev/null
+++ b/ci/github/build_linux_wheel.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+set -euo pipefail
+
+case "$1" in
+    3.6) pyver=cp36-cp36m ;;
+    3.7) pyver=cp37-cp37m ;;
+    3.8) pyver=cp38-cp38 ;;
+    3.9) pyver=cp39-cp39 ;;
+    *)
+        echo "Unknown Python version $1"
+        exit 1
+        ;;
+esac
+
+# Install dependencies
+yum install -y zlib-devel
+
+# Build wheel
+cd /github/workspace
+/opt/python/$pyver/bin/pip wheel . --no-deps -w wheelhouse
+auditwheel repair wheelhouse/* -w dist
diff --git a/config.sh b/config.sh
deleted file mode 100644
index 643bb05a68..0000000000
--- a/config.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-# Define custom utilities
-# Test for macOS with [ -n "$IS_OSX" ]
-
-function pre_build {
-    # Any stuff that you need to do before you start building the wheels
-    # Runs in the root directory of this repository.
-    if [ -n "$IS_OSX" ]; then
-        brew install zlib
-    else
-        yum install -y zlib-devel
-    fi
-}
-
-function run_tests {
-    # Runs tests on installed distribution from an empty directory
-
-    # pytest adds every directory up-to and including python/ into sys.path,
-    # meaning that "import ecl" will import python/ecl and not the installed
-    # one. This doesn't work because the libecl.so library only exists in
-    # site-packages, so we copy directories required by the tests out into its
-    # own temporary directory.
-    mkdir -p {.git,python}
-    ln -s {..,$PWD}/bin
-    ln -s {..,$PWD}/lib
-    ln -s {..,$PWD}/test-data
-    cp -R {..,$PWD}/python/tests
-    python -m pytest python/tests
-}