diff --git a/service/requirements.txt b/service/requirements.txt
old mode 100755
new mode 100644
index 83fcc55..0e093f6
--- a/service/requirements.txt
+++ b/service/requirements.txt
@@ -11,7 +11,7 @@ MarkupSafe==1.0
 pyserial==3.3
 python-engineio==1.5.1
 python-socketio==1.7.4
-requests==2.14.2
+requests==2.20.0
 six==1.10.0
 socketIO-client==0.7.2
 virtualenv==15.1.0