diff --git a/.github/workflows/github-actions.yml b/.github/workflows/github-actions.yml
new file mode 100644
index 00000000..2c2166a5
--- /dev/null
+++ b/.github/workflows/github-actions.yml
@@ -0,0 +1,151 @@
+name: MongoengineCI
+on:
+  # All PR
+  pull_request:
+  # master branch merge
+  push:
+    branches:
+      - master
+  # release tags
+  create:
+    tags:
+      - 'v[0-9]+\.[0-9]+\.[0-9]+*'
+env:
+  MONGODB_3_4: 3.4.19
+  MONGODB_3_6: 3.6.13
+  MONGODB_4_0: 4.0.13
+
+  PYMONGO_3_4: 3.4
+  PYMONGO_3_6: 3.6
+  PYMONGO_3_9: 3.9
+  PYMONGO_3_11: 3.11
+
+  MAIN_PYTHON_VERSION: 3.7
+
+jobs:
+  linting:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.7
+    - run: bash .github/workflows/install_ci_python_dep.sh
+    - run: pre-commit run -a
+
+  test:
+    # Test suite run against recent python versions
+    # and against a few combination of MongoDB and pymongo
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9, pypy3]
+        MONGODB: [$MONGODB_4_0]
+        PYMONGO: [$PYMONGO_3_11]
+        include:
+          - python-version: 3.7
+            MONGODB: $MONGODB_3_4
+            PYMONGO: $PYMONGO_3_6
+          - python-version: 3.7
+            MONGODB: $MONGODB_3_6
+            PYMONGO: $PYMONGO_3_9
+          - python-version: 3.7
+            MONGODB: $MONGODB_3_6
+            PYMONGO: $PYMONGO_3_11
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: install mongo and ci dependencies
+      run: |
+        bash .github/workflows/install_mongo.sh ${{ matrix.MONGODB }}
+        bash .github/workflows/install_ci_python_dep.sh
+        bash .github/workflows/start_mongo.sh ${{ matrix.MONGODB }}
+    - name: tox dry-run (to pre-install venv)
+      run: tox -e $(echo py${{ matrix.python-version }}-mg${{ matrix.PYMONGO }} | tr -d . | sed -e 's/pypypy/pypy/') -- -a "-k=test_ci_placeholder"
+    - name: Run test suite
+      run: tox -e $(echo py${{ matrix.python-version }}-mg${{ matrix.PYMONGO }} | tr -d . | sed -e 's/pypypy/pypy/') -- -a "--cov=mongoengine"
+    - name: Send coverage to Coveralls
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      if: ${{ matrix.python-version == env.MAIN_PYTHON_VERSION }}
+      run: coveralls
+
+  build_doc_dryrun:
+    # ensures that readthedocs can be built continuously
+    # to avoid that it breaks when new releases are being created
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.7
+    - name: install python dep
+      run: |
+        pip install -e .
+        pip install -r docs/requirements.txt
+    - name: build doc
+      run: |
+        cd docs
+        make html-readthedocs
+
+  irc_notification:
+    runs-on: ubuntu-latest
+    needs: [linting, test]
+    steps:
+      - uses: rectalogic/notify-irc@v1
+        if: success()
+        with:
+          channel: "irc.freenode.org#mongoengine"
+          nickname: github-notifier
+          message: |
+            Build ${{ job.status }} - ${{ github.actor }} ${{ github.event_name }} ${{ github.event.ref }}
+
+  build-n-publish-dummy:
+    runs-on: ubuntu-latest
+    needs: [linting, test]
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    - name: build dummy wheel for test-pypi
+      run: |
+        pip install wheel
+        python setup.py egg_info -b ".dev`date '+%Y%m%d%H%M%S'`" build sdist bdist_wheel
+#    - name: publish test-pypi
+#      # Although working and recommended, test-pypi has a limit
+#      # in the size of projects so it's better to avoid publishing
+#      # until there is a way to garbage collect these dummy releases
+#      if: github.event_name != 'pull_request'
+#      uses: pypa/gh-action-pypi-publish@master
+#      with:
+#        password: ${{ secrets.test_pypi_token }}
+#        repository_url: https://test.pypi.org/legacy/
+
+  build-n-publish:
+    runs-on: ubuntu-latest
+    needs: [linting, test]
+    if: github.event_name == 'create' && startsWith(github.ref, 'refs/tags/v')
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    # todo separate build from publish
+    # https://stackoverflow.com/questions/59349905/which-properties-does-github-event-in-a-github-workflow-have
+    - name: build dummy wheel for test-pypi
+      run: |
+        pip install wheel
+        python setup.py sdist bdist_wheel
+    - name: publish pypi
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        password: ${{ secrets.pypi_token }}
\ No newline at end of file
diff --git a/.github/workflows/install_ci_python_dep.sh b/.github/workflows/install_ci_python_dep.sh
new file mode 100644
index 00000000..48b04e9d
--- /dev/null
+++ b/.github/workflows/install_ci_python_dep.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+pip install --upgrade pip
+pip install coveralls
+pip install pre-commit
+pip install tox
diff --git a/.github/workflows/install_mongo.sh b/.github/workflows/install_mongo.sh
new file mode 100644
index 00000000..a98440a8
--- /dev/null
+++ b/.github/workflows/install_mongo.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+MONGODB=$1
+
+mongo_build=mongodb-linux-x86_64-${MONGODB}
+wget http://fastdl.mongodb.org/linux/$mongo_build.tgz
+tar xzf $mongo_build.tgz
+${PWD}/$mongo_build/bin/mongod --version
diff --git a/.github/workflows/start_mongo.sh b/.github/workflows/start_mongo.sh
new file mode 100644
index 00000000..dc844dbd
--- /dev/null
+++ b/.github/workflows/start_mongo.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+MONGODB=$1
+
+mongodb_dir=${PWD}/mongodb-linux-x86_64-${MONGODB}
+mkdir $mongodb_dir/data
+$mongodb_dir/bin/mongod --dbpath $mongodb_dir/data --logpath $mongodb_dir/mongodb.log --fork
+mongo --eval 'db.version();'    # Make sure mongo is awake
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index b29dab33..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,107 +0,0 @@
-# For full coverage, we'd have to test all supported Python, MongoDB, and
-# PyMongo combinations. However, that would result in an overly long build
-# with a very large number of jobs, hence we only test a subset of all the
-# combinations.
-# * Python3.7, MongoDB v3.4 & the latest PyMongo v3.x is currently the "main" setup,
-# Other combinations are tested. See below for the details or check the travis jobs
-
-# We should periodically check MongoDB Server versions supported by MongoDB
-# Inc., add newly released versions to the test matrix, and remove versions
-# which have reached their End of Life. See:
-# 1. https://www.mongodb.com/support-policy.
-# 2. https://docs.mongodb.com/ecosystem/drivers/driver-compatibility-reference/#python-driver-compatibility
-#
-# Reminder: Update README.rst if you change MongoDB versions we test.
-
-language: python
-dist: xenial
-python:
-  - 3.6
-  - 3.7
-  - 3.8
-  - 3.9
-  - pypy3
-
-env:
-  global:
-    - MONGODB_3_4=3.4.19
-    - MONGODB_3_6=3.6.13
-    - MONGODB_4_0=4.0.13
-
-    - PYMONGO_3_4=3.4
-    - PYMONGO_3_6=3.6
-    - PYMONGO_3_9=3.9
-    - PYMONGO_3_11=3.11
-
-    - MAIN_PYTHON_VERSION=3.7
-  matrix:
-    - MONGODB=${MONGODB_3_4} PYMONGO=${PYMONGO_3_11}
-
-matrix:
-  # Finish the build as soon as one job fails
-  fast_finish: true
-
-  include:
-    - python: 3.7
-      env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_6}
-    - python: 3.7
-      env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_9}
-    - python: 3.7
-      env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_11}
-    - python: 3.8
-      env: MONGODB=${MONGODB_4_0} PYMONGO=${PYMONGO_3_11}
-
-install:
-  # Install Mongo
-  - wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-${MONGODB}.tgz
-  - tar xzf mongodb-linux-x86_64-${MONGODB}.tgz
-  - ${PWD}/mongodb-linux-x86_64-${MONGODB}/bin/mongod --version
-  # Install Python dependencies.
-  - pip install --upgrade pip
-  - pip install coveralls
-  - pip install pre-commit
-  - pip install tox
-  # tox dryrun to setup the tox venv (we run a mock test).
-  - tox -e $(echo py$TRAVIS_PYTHON_VERSION-mg$PYMONGO | tr -d . | sed -e 's/pypypy/pypy/') -- -a "-k=test_ci_placeholder"
-
-before_script:
-  - mkdir ${PWD}/mongodb-linux-x86_64-${MONGODB}/data
-  - ${PWD}/mongodb-linux-x86_64-${MONGODB}/bin/mongod --dbpath ${PWD}/mongodb-linux-x86_64-${MONGODB}/data --logpath ${PWD}/mongodb-linux-x86_64-${MONGODB}/mongodb.log --fork
-  # Run pre-commit hooks (black, flake8, etc) on entire codebase
-  - if [[ $TRAVIS_PYTHON_VERSION == $MAIN_PYTHON_VERSION ]]; then pre-commit run -a; else echo "pre-commit checks only runs on py37"; fi
-  - mongo --eval 'db.version();' # Make sure mongo is awake
-
-script:
-  - tox -e $(echo py$TRAVIS_PYTHON_VERSION-mg$PYMONGO | tr -d . | sed -e 's/pypypy/pypy/') -- -a "--cov=mongoengine"
-
-after_success:
-  - if [[ $TRAVIS_PYTHON_VERSION == $MAIN_PYTHON_VERSION ]]; then coveralls --verbose; else echo "coveralls only sent for py37"; fi
-
-notifications:
-  irc: irc.freenode.org#mongoengine
-
-# Only run builds on the master branch and GitHub releases (tagged as vX.Y.Z)
-branches:
-  only:
-    - master
-    - /^v.*$/
-
-# Whenever a new release is created via GitHub, publish it on PyPI.
-deploy:
-  provider: pypi
-  user: the_drow
-  password:
-    secure: QMyatmWBnC6ZN3XLW2+fTBDU4LQcp1m/LjR2/0uamyeUzWKdlOoh/Wx5elOgLwt/8N9ppdPeG83ose1jOz69l5G0MUMjv8n/RIcMFSpCT59tGYqn3kh55b0cIZXFT9ar+5cxlif6a5rS72IHm5li7QQyxexJIII6Uxp0kpvUmek=
-
-  # Create a source distribution and a pure python wheel for faster installs.
-  distributions: "sdist bdist_wheel"
-
-  # Only deploy on tagged commits (aka GitHub releases) and only for the parent
-  # repo's builds running Python v3.7 along with PyMongo v3.x and MongoDB v3.4.
-  # We run Travis against many different Python, PyMongo, and MongoDB versions
-  # and we don't want the deploy to occur multiple times).
-  on:
-    tags: true
-    repo: MongoEngine/mongoengine
-    condition: ($PYMONGO = ${PYMONGO_3_11}) && ($MONGODB = ${MONGODB_3_4})
-    python: 3.7
diff --git a/.travis_.yml b/.travis_.yml
new file mode 100644
index 00000000..114fd76f
--- /dev/null
+++ b/.travis_.yml
@@ -0,0 +1,108 @@
+## For full coverage, we'd have to test all supported Python, MongoDB, and
+## PyMongo combinations. However, that would result in an overly long build
+## with a very large number of jobs, hence we only test a subset of all the
+## combinations.
+## * Python3.7, MongoDB v3.4 & the latest PyMongo v3.x is currently the "main" setup,
+## Other combinations are tested. See below for the details or check the travis jobs
+#
+## We should periodically check MongoDB Server versions supported by MongoDB
+## Inc., add newly released versions to the test matrix, and remove versions
+## which have reached their End of Life. See:
+## 1. https://www.mongodb.com/support-policy.
+## 2. https://docs.mongodb.com/ecosystem/drivers/driver-compatibility-reference/#python-driver-compatibility
+##
+## Reminder: Update README.rst if you change MongoDB versions we test.
+#
+#language: python
+#dist: xenial
+#python:
+#  - 3.6
+#  - 3.7
+#  - 3.8
+#  - 3.9
+#  - pypy3
+#
+#env:
+#  global:
+#    - MONGODB_3_4=3.4.19
+#    - MONGODB_3_6=3.6.13
+#    - MONGODB_4_0=4.0.13
+#
+#    - PYMONGO_3_4=3.4
+#    - PYMONGO_3_6=3.6
+#    - PYMONGO_3_9=3.9
+#    - PYMONGO_3_11=3.11
+#
+#    - MAIN_PYTHON_VERSION=3.7
+#  matrix:
+#    - MONGODB=${MONGODB_3_4} PYMONGO=${PYMONGO_3_11}
+#
+#matrix:
+#  # Finish the build as soon as one job fails
+#  fast_finish: true
+#
+#  include:
+#    - python: 3.7
+#      env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_6}
+#    - python: 3.7
+#      env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_9}
+#    - python: 3.7
+#      env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_11}
+#    - python: 3.8
+#      env: MONGODB=${MONGODB_4_0} PYMONGO=${PYMONGO_3_11}
+#
+#install:
+#  # Install Mongo
+#  - wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-${MONGODB}.tgz
+#  - tar xzf mongodb-linux-x86_64-${MONGODB}.tgz
+#  - ${PWD}/mongodb-linux-x86_64-${MONGODB}/bin/mongod --version
+#  # Install Python dependencies.
+#  - pip install --upgrade pip
+#  - pip install coveralls
+#  - pip install pre-commit
+#  - pip install tox
+#  # tox dryrun to setup the tox venv (we run a mock test).
+#  - tox -e $(echo py$TRAVIS_PYTHON_VERSION-mg$PYMONGO | tr -d . | sed -e 's/pypypy/pypy/') -- -a "-k=test_ci_placeholder"
+#
+#before_script:
+#  - mkdir ${PWD}/mongodb-linux-x86_64-${MONGODB}/data
+#  - ${PWD}/mongodb-linux-x86_64-${MONGODB}/bin/mongod --dbpath ${PWD}/mongodb-linux-x86_64-${MONGODB}/data --logpath ${PWD}/mongodb-linux-x86_64-${MONGODB}/mongodb.log --fork
+#  # Run pre-commit hooks (black, flake8, etc) on entire codebase
+#  - if [[ $TRAVIS_PYTHON_VERSION == $MAIN_PYTHON_VERSION ]]; then pre-commit run -a; else echo "pre-commit checks only runs on py37"; fi
+#  - mongo --eval 'db.version();' # Make sure mongo is awake
+#
+#script:
+#  - tox -e $(echo py$TRAVIS_PYTHON_VERSION-mg$PYMONGO | tr -d . | sed -e 's/pypypy/pypy/') -- -a "--cov=mongoengine"
+#
+#after_success:
+#  - if [[ $TRAVIS_PYTHON_VERSION == $MAIN_PYTHON_VERSION ]]; then coveralls --verbose; else echo "coveralls only sent for py37"; fi
+#
+#notifications:
+#  irc: irc.freenode.org#mongoengine
+#
+## Only run builds on the master branch and GitHub releases (tagged as vX.Y.Z)
+#branches:
+#  # Only run builds on the master branch and GitHub releases (tagged as vX.Y.Z)
+#  only:
+#    - master
+#    - /^v.*$/
+#
+## Whenever a new release is created via GitHub, publish it on PyPI.
+#deploy:
+#  provider: pypi
+#  user: the_drow
+#  password:
+#    secure: QMyatmWBnC6ZN3XLW2+fTBDU4LQcp1m/LjR2/0uamyeUzWKdlOoh/Wx5elOgLwt/8N9ppdPeG83ose1jOz69l5G0MUMjv8n/RIcMFSpCT59tGYqn3kh55b0cIZXFT9ar+5cxlif6a5rS72IHm5li7QQyxexJIII6Uxp0kpvUmek=
+#
+#  # Create a source distribution and a pure python wheel for faster installs.
+#  distributions: "sdist bdist_wheel"
+#
+#  # Only deploy on tagged commits (aka GitHub releases) and only for the parent
+#  # repo's builds running Python v3.7 along with PyMongo v3.x and MongoDB v3.4.
+#  # We run Travis against many different Python, PyMongo, and MongoDB versions
+#  # and we don't want the deploy to occur multiple times).
+#  on:
+#    tags: true
+#    repo: MongoEngine/mongoengine
+#    condition: ($PYMONGO = ${PYMONGO_3_11}) && ($MONGODB = ${MONGODB_3_4})
+#    python: 3.7
diff --git a/docs/Makefile b/docs/Makefile
index cdc77c36..0bf35356 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -35,6 +35,12 @@ html:
 	@echo
 	@echo "Build finished. Check $(BUILDDIR)/html/index.html"
 
+html-readthedocs:
+	$(SPHINXBUILD) -T -E -b readthedocs $(ALLSPHINXOPTS) $(BUILDDIR)/html
+	@echo
+	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
+
+
 dirhtml:
 	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
 	@echo
diff --git a/docs/conf.py b/docs/conf.py
index f8a4999a..808deaa8 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@ sys.path.insert(0, os.path.abspath(".."))
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ["sphinx.ext.autodoc", "sphinx.ext.todo"]
+extensions = ["sphinx.ext.autodoc", "sphinx.ext.todo", "readthedocs_ext.readthedocs"]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]
diff --git a/docs/requirements.txt b/docs/requirements.txt
index abd12629..dfda6a70 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-pymongo>=3.11
-Sphinx==3.2.1
+Sphinx==3.3.0
 sphinx-rtd-theme==0.5.0
+readthedocs-sphinx-ext==2.1.1
diff --git a/setup.py b/setup.py
index ffc35743..37b95e37 100644
--- a/setup.py
+++ b/setup.py
@@ -112,7 +112,7 @@ extra_opts = {
     "tests_require": [
         "pytest<5.0",
         "pytest-cov",
-        "coverage<5.0",  # recent coverage switched to sqlite format for the .coverage file which isn't handled properly by coveralls
+        "coverage",
         "blinker",
         "Pillow>=7.0.0",
     ],