diff --git a/requirements.txt b/requirements.txt
index 14fe0d3ef2fd7101edf555e2c4f3906868bfa60f..81ba9009bf8bdac9517cb7d342cbab413f4c6bce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-mock==2.0.0
+mock==3.0.5