diff --git a/requirements.dev.txt b/requirements.dev.txt
index 9c82b0b..1f141cc 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -5,7 +5,7 @@ py==1.4.33
 Pygments==2.2.0
 pytest==3.0.7
 pytest-cov==2.4.0
-pytest-mock==1.6.0
+pytest-mock==1.10.0
 requests==2.13.0
 six==1.10.0
 urwid==1.3.1