diff --git a/requirements.txt b/requirements.txt
index 87aca1e..8243bd1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ neo4j-driver==1.6.1
 neotime==1.0.0
 pluggy==0.6.0
 prompt-toolkit==1.0.15
-py==1.5.4
+py==1.10.0
 py2neo==4.0.0
 Pygments==2.2.0
 pytest==3.6.3