diff --git a/pip-requirements.txt b/pip-requirements.txt
index cee6928..89f7196 100644
--- a/pip-requirements.txt
+++ b/pip-requirements.txt
@@ -1,7 +1,7 @@
 Django==1.11.5
 Pillow==4.2.1
 coverage==4.4.1
-pluggy==0.5.1
+pluggy==0.5.2
 py==1.4.34
 pytz==2017.2
 tox==2.8.0