diff --git a/requirements.txt b/requirements.txt
index f9aef76..a9982ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ pathlib==1.0.1
 plac==0.9.6
 preshed==0.46.4
 progress==1.3
-py==1.4.34
+py==1.10.0
 pytest==3.2.1
 python-crfsuite==0.8.4
 requests==2.21.0