diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3bb3f93..5ac321d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -58,6 +58,8 @@ jobs:
                     python3 -m venv venv
                     . venv/bin/activate
                     pip install -e .
+                    pip install codecov
+                    pip install coverage
                     pip install tox
 
             - save_cache:
@@ -71,6 +73,7 @@ jobs:
                 command: |
                     . venv/bin/activate
                     tox
+                    coverage run tests
 
             # store artifacts (for example logs, binaries, etc)
             # to be available in the web app or through the API
diff --git a/tox.ini b/tox.ini
index cc3903b..3e40011 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,13 +14,15 @@ minversion = 3.3.0
 isolated_build = true
 
 [testenv]
-passenv = CI CIRCLECI CIRCLE_*
+passenv = CI CIRCLECI CIRCLE_* CODECOV_TOKEN
 deps =
     codecov
+    coverage
     opencv-python
     pytest
     scikit-image
 commands =
     python setup.py check -m -s
     py.test tests {posargs}
+    coverage xml -i
     codecov