diff --git a/Simulator/PLASMA/requirements.txt b/Simulator/PLASMA/requirements.txt
index bb57568..154f74f 100644
--- a/Simulator/PLASMA/requirements.txt
+++ b/Simulator/PLASMA/requirements.txt
@@ -37,7 +37,7 @@ oauthlib==0.6.1
 oneconf==0.3.7
 pexpect==3.1
 piston-mini-client==0.7.5
-py==1.4.20
+py==1.10.0
 pyOpenSSL==0.13
 pycrypto==2.6.1
 pycups==1.9.66