diff --git a/requirements_test.txt b/requirements_test.txt
index 88dcb90..e21be37 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -13,7 +13,7 @@ nodeenv==1.2.0
 packaging==16.8
 pep8-naming==0.4.1
 pip-tools==1.9.0
-pluggy==0.4.0
+pluggy==0.6.0
 pre-commit==0.17.0
 py==1.4.34
 pycodestyle==2.3.1