diff --git a/requirements.txt b/requirements.txt
index f813d36..0fe3d7e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ lenses==0.5.0
 hypothesis==4.5.7
 parsimonious==0.8.1
 pytest==3.2.3
-pytest-cov==2.5.1
+pytest-cov==2.6.1
 pytest-flake8==1.0.4
 pytest-xdist==1.22.5
 pytest-sugar==0.9.2
\ No newline at end of file