diff --git a/tests/requirements.txt b/tests/requirements.txt
index 6ce407b..0f0e3df 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -6,7 +6,7 @@ pyflakes==1.5.0
 pytest==3.0.7
 pytest-cov==2.4.0
 pytest-isort==0.1.0
-pytest-mock==1.5.0
+pytest-mock==1.6.0
 pytest-sugar==0.8.0
 pytest-toolbox==0.2
 Pygments==2.2.0