diff --git a/requirements_dev.txt b/requirements_dev.txt
index f03b5e9..ea67b62 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,6 +6,6 @@ tox==2.9.1
 coverage==4.5.1
 Sphinx==1.7.2
 PyYAML==3.12
-pytest==3.5.0
+pytest==5.1.2
 pytest-cov==2.5.1
 pytest-runner==4.2