diff --git a/requirements_dev.txt b/requirements_dev.txt
index faeb3b1..c886eaf 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -10,4 +10,4 @@ Sphinx==1.8.0
 pygments==2.2.0
 cryptography==2.4.1
 PyYAML==5.1
-pytest==3.8.0
+pytest==5.2.2