diff --git a/requirements.txt b/requirements.txt
index b6c6595..dbb3b3f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 attrs==17.4.0
 more-itertools==4.1.0
 pluggy==0.6.0
-py==1.5.3
+py==1.10.0
 pygame==1.9.3
 pytest==3.5.1
 pytest-runner>=4.2