diff --git a/test-requirements.txt b/test-requirements.txt
index 4946e38..b5e6818 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
-pytest-cov==2.5.1
+pytest-cov==2.12.0
 pytest==3.6.1
 pytest-mock==1.10.0
\ No newline at end of file