diff --git a/requirements-dev.txt b/requirements-dev.txt
index ba950f3..a8d71f7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@
 
 # Testing
 pytest==3.2.2
-pytest-cov==2.0.0
+pytest-cov==2.5.1
 
 # Documentation
 Sphinx==1.3.1