diff --git a/requirements_dev.txt b/requirements_dev.txt
index a3796ee..d8bf2aa 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,5 +9,5 @@ pytest-aiohttp==0.3.0
 Sphinx==1.8.2
 cryptography==2.4.1
 PyYAML==4.2b4
-pytest==4.0.0
+pytest==4.5.0
 docutils==0.14