diff --git a/requirements_for_test.txt b/requirements_for_test.txt
index 0253db83a..b1a783ffc 100644
--- a/requirements_for_test.txt
+++ b/requirements_for_test.txt
@@ -2,7 +2,7 @@
 pycodestyle==2.3.1
 pytest==3.1.3
 pytest-mock==1.6.0
-pytest-cov==2.3.1
+pytest-cov==2.5.1
 pytest-xdist==1.14
 coveralls==1.1
 moto==0.4.25