diff --git a/requirements_dev.txt b/requirements_dev.txt
index 30dbdc2..755ce9a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,4 +11,4 @@ cryptography==2.7
 PyYAML==5.1.2
 pytest==5.0.1
 docutils==0.15.2
-pluggy==0.12.0
\ No newline at end of file
+pluggy==1.5.0
\ No newline at end of file