diff --git a/.gitignore b/.gitignore
index a41103d..3cbf24f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 .pytest_cache
 .DS_Store
 .idea
+.coverage
 
 # Setuptools distribution and build folders.
 /dist/
diff --git a/setup.py b/setup.py
index 35673ce..6566ec5 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,8 @@ setup(name='baselines',
       extras_require={
         'test': [
             'filelock',
-            'pytest'
+            'pytest',
+            'pytest-cov',
         ]
       },
       description='OpenAI baselines: high quality implementations of reinforcement learning algorithms',