diff --git a/requirements_dev.txt b/requirements_dev.txt
index da6b9d3c..b3072280 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,6 +9,6 @@ Sphinx==1.7.4
 # only used for setup script
 # cryptography==1.0.1
 py==1.5.3
+pytest==3.6.3
 PyYAML==3.13
-pytest==3.5.1
 prospector[with_everything]==0.12.11