diff --git a/.requirements_dev.txt b/.requirements_dev.txt
index 6e542bb..280d37a 100644
--- a/.requirements_dev.txt
+++ b/.requirements_dev.txt
@@ -11,3 +11,4 @@ twine==1.12.1
 pytest==3.8.1
 pytest-runner==4.2
 pytest-cov==2.6.0
+codecov==2.0.15