diff --git a/.gitignore b/.gitignore
index 78c58e12..0d2efbbc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,9 +28,8 @@ dist/
 
 # python testing things etc
 .coverage
-.tox
+.nox
 env
-nosetests.xml
 googlemaps.egg-info
 *.egg
-
+.vscode/
diff --git a/.travis.yml b/.travis.yml
index ea1fa63d..87a0fece 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,16 +1,22 @@
 language: python
+dist: xenial
 
 matrix:
   include:
-    - { python: '2.7', env: TOXENV=py27 }
-    - { python: '3.4', env: TOXENV=py34 }
-    - { python: '3.5', env: TOXENV=py35 }
-    - { python: '3.6', env: TOXENV=py36 }
-    - { python: '3.6', env: TOXENV=docs }
+  - python: '2.7'
+    env: NOXSESSION="tests-2.7"
+  - python: '3.5'
+    env: NOXSESSION="tests-3.5"
+  - python: '3.6'
+    env: NOXSESSION="tests-3.6"
+  - python: '3.7'
+    env: NOXSESSION="tests-3.7"
+    sudo: required  # required for Python 3.7 (github.com/travis-ci/travis-ci#9069)
+  - python: '2.7'
+    env: NOXSESSION="docs"
 
 install:
-  - pip install requests
-  - pip install tox
+- ./.travis/install.sh
 
 script:
-  - tox
+- python3 -m nox --session "$NOXSESSION"
diff --git a/.travis/install.sh b/.travis/install.sh
new file mode 100755
index 00000000..9dd84bde
--- /dev/null
+++ b/.travis/install.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -exo pipefail
+
+if ! python3 -m pip --version; then
+    curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+    sudo python3 get-pip.py
+    sudo python3 -m pip install nox
+else
+    python3 -m pip install nox
+fi
diff --git a/README.md b/README.md
index e17ccbad..45e2de6d 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@ Python Client for Google Maps Services
 ====================================
 
 [![Build Status](https://travis-ci.org/googlemaps/google-maps-services-python.svg?branch=master)](https://travis-ci.org/googlemaps/google-maps-services-python)
+[![codecov](https://codecov.io/gh/googlemaps/google-maps-services-python/branch/master/graph/badge.svg)](https://codecov.io/gh/googlemaps/google-maps-services-python)
 [![PyPI version](https://badge.fury.io/py/googlemaps.svg)](https://badge.fury.io/py/googlemaps)
 ![PyPI - Downloads](https://img.shields.io/pypi/dd/googlemaps)
 ![GitHub contributors](https://img.shields.io/github/contributors/googlemaps/google-maps-services-python)
@@ -165,14 +166,14 @@ instead of an API key.
 ## Building the Project
 
 
-    # Installing tox
-    $ pip install tox
+    # Installing nox
+    $ pip install nox
 
     # Running tests
-    $ tox
+    $ nox
 
     # Generating documentation
-    $ tox -e docs
+    $ nox -e docs
 
     # Uploading a new release
     $ easy_install wheel twine
@@ -180,13 +181,13 @@ instead of an API key.
     $ twine upload dist/*
 
     # Copy docs to gh-pages
-    $ tox -e docs && mv docs/_build/html generated_docs && git clean -Xdi && git checkout gh-pages
+    $ nox -e docs && mv docs/_build/html generated_docs && git clean -Xdi && git checkout gh-pages
 
 
 [apikey]: https://developers.google.com/maps/faq#keysystem
 [clientid]: https://developers.google.com/maps/documentation/business/webservices/auth
 
-[Google Maps API Web Services]: https://developers.google.com/maps/apis-by-platform#web_service_apis
+[Google Maps Platform web services]: https://developers.google.com/maps/apis-by-platform#web_service_apis
 [Directions API]: https://developers.google.com/maps/documentation/directions/
 [directions-key]: https://developers.google.com/maps/documentation/directions/get-api-key#key
 [directions-client-id]: https://developers.google.com/maps/documentation/directions/get-api-key#client-id
diff --git a/noxfile.py b/noxfile.py
new file mode 100644
index 00000000..f1170918
--- /dev/null
+++ b/noxfile.py
@@ -0,0 +1,57 @@
+import nox
+
+
+def _install_dev_packages(session):
+    session.install("-e", ".")
+
+
+def _install_test_dependencies(session):
+    session.install("-r", "test_requirements.txt")
+
+
+def _install_doc_dependencies(session):
+    session.install("sphinx")
+
+
+@nox.session(python=["2.7", "3.5", "3.6", "3.7"])
+def tests(session):
+    _install_dev_packages(session)
+    _install_test_dependencies(session)
+
+    session.install("pytest")
+    session.run("pytest")
+
+    session.notify("cover")
+
+
+@nox.session
+def cover(session):
+    """Coverage analysis."""
+    session.install("coverage")
+    session.install("codecov")
+    session.run("coverage", "report", "--show-missing")
+    session.run("codecov")
+    session.run("coverage", "erase")
+
+
+@nox.session(python="2.7")
+def docs(session):
+    _install_dev_packages(session)
+    _install_doc_dependencies(session)
+
+    session.run("rm", "-rf", "docs/_build", external=True)
+
+    sphinx_args = [
+        "-a",
+        "-E",
+        "-b",
+        "html",
+        "-d",
+        "docs/_build/doctrees",
+        "docs",
+        "docs/_build/html",
+    ]
+
+    sphinx_cmd = "sphinx-build"
+
+    session.run(sphinx_cmd, *sphinx_args)
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 00000000..399af724
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,12 @@
+[tool:pytest]
+addopts = -rsxX --cov=googlemaps --cov-report=
+
+[coverage:run]
+omit = 
+    googlemaps/test/*
+
+[coverage:report]
+exclude_lines =
+    pragma: no cover
+    def __repr__
+    raise NotImplementedError
\ No newline at end of file
diff --git a/test_requirements.txt b/test_requirements.txt
index 5646081a..e5a18030 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,2 +1,4 @@
-nose
-responses==0.3
+pytest
+pytest-cov
+responses
+mock
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 77ca5b7e..00000000
--- a/tox.ini
+++ /dev/null
@@ -1,16 +0,0 @@
-[tox]
-envlist =
-    py27,py32,py34,py35,py36,docs
-
-[testenv]
-commands =
-    nosetests googlemaps/test
-deps = -rtest_requirements.txt
-
-[testenv:docs]
-basepython =
-    python2.7
-commands =
-    sphinx-build -a -E -b html -d docs/_build/doctrees docs docs/_build/html
-deps =
-    Sphinx