diff --git a/misc/requirements/requirements-tox.txt b/misc/requirements/requirements-tox.txt
index 76e7c1ff2..339e1de07 100644
--- a/misc/requirements/requirements-tox.txt
+++ b/misc/requirements/requirements-tox.txt
@@ -1,6 +1,6 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 pluggy==0.5.2
-py==1.4.34
+py==1.5.2
 tox==2.9.1
 virtualenv==15.1.0