diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..d79a0ed
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,13 @@
+[run]
+branch = True
+source = floweaver
+
+[report]
+exclude_lines =
+    if self.debug:
+    pragma: no cover
+    raise NotImplementedError
+    if __name__ == .__main__.:
+ignore_errors = True
+omit =
+    test/*
diff --git a/.travis.yml b/.travis.yml
index 3260e0e..2b382e3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,8 @@ matrix:
     - python: 3.6
     - python: 3.5
 install:
-  - pip install pytest matplotlib
-  - pip install .
+  - pip install '.[test]'
 script:
-  - py.test
+  - pytest --cov=./
+after_success:
+  - codecov
diff --git a/setup.py b/setup.py
index 6b94e3d..e6a5153 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@ def find_version(*file_paths):
     ],
     extras_require={
         'dev': [],
-        'test': ['pytest', 'matplotlib'],
+        'test': ['pytest', 'matplotlib', 'codecov', 'pytest-cov'],
         'docs': ['sphinx', 'nbsphinx', 'jupyter_client', 'ipykernel', 'ipysankeywidget']
     },
 )