diff --git a/requirements.txt b/requirements.txt
index 7916c60..9f29797 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ pathlib==1.0.1
 pep8==1.7.0
 plac==0.9.6
 preshed==0.46.4
-py==1.4.32
+py==1.11.0
 pycodestyle==2.2.0
 pyparsing==2.1.10
 pytest==3.0.6