diff --git a/requirements_dev.txt b/requirements_dev.txt
index 1294648..da818e6 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ flake8-builtins==1.4.1
 flake8-mutable==1.2.0
 #coverage==4.5.1
 Sphinx==1.7.6
-pytest==3.7.1
+pytest==3.10.1
 pytest-runner==4.2
 pytest-cov==2.5.1
 mypy==0.620; python_version >= '3.4'