diff --git a/requirements-dev.txt b/requirements-dev.txt
index 859d80482..68d63101a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@
 flake8==3.7.7
 flake8-type-annotations==0.1.0
 flake8-tidy-imports==2.0.0
-pytest==4.3.0
+pytest==4.3.1
 pytest-mock==1.10.1
 pytest-asyncio==0.10.0
 pytest-cov==2.6.1