diff --git a/assignments/requirements.txt b/assignments/requirements.txt
index 2188fbe..61940a9 100644
--- a/assignments/requirements.txt
+++ b/assignments/requirements.txt
@@ -1,5 +1,5 @@
 attrs==17.4.0
 pluggy==0.6.0
-py==1.5.2
+py==1.10.0
 pytest==3.4.0
 six==1.11.0