diff --git a/test-requirements.txt b/test-requirements.txt
index e4a9d541..5b2e7b15 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
 tox>=1.8.0
 pytest==3.1.0
-pytest-cov==2.5.1
+pytest-cov==2.12.0
 coveralls==1.1