diff --git a/requirements-dev.txt b/requirements-dev.txt
index e0aaf9461..56d7964c3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ flake8==3.7.7
 flake8-type-annotations==0.1.0
 flake8-tidy-imports==2.0.0
 pytest==4.3.1
-pytest-mock==1.10.1
+pytest-mock==1.10.2
 pytest-asyncio==0.10.0
 pytest-cov==2.6.1
 coveralls==1.7.0