diff --git a/requirements.txt b/requirements.txt
index 0c71150..878b89c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ google-auth-httplib2==0.0.3
 click==6.7
 tox==2.9.1
 pytest==3.3.2
-pytest-cov==2.5.1
+pytest-cov==2.7.1