diff --git a/python/requirements.txt b/python/requirements.txt
index 52c40d0..7a8240d 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -12,7 +12,7 @@ pickleshare==0.7.4
 pluggy==0.7.1
 prompt-toolkit==1.0.15
 ptyprocess==0.6.0
-py==1.5.4
+py==1.11.0
 Pygments==2.2.0
 pytest==3.7.1
 simplegeneric==0.8.1