diff --git a/requirements.txt b/requirements.txt
index cbd39c2..bd76faa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ mypy==0.511
 mypy-extensions==0.2.0
 pathtools==0.1.2
 promise==2.0.2
-py==1.4.34
+py==1.10.0
 Pygments==2.2.0
 PyMySQL==0.7.11
 pytest==3.1.3