diff --git a/Starter Apps/REST-APIs/02 - Flask RESTful/code/requirements.txt b/Starter Apps/REST-APIs/02 - Flask RESTful/code/requirements.txt
index 4c80d89..1b28bee 100644
--- a/Starter Apps/REST-APIs/02 - Flask RESTful/code/requirements.txt	
+++ b/Starter Apps/REST-APIs/02 - Flask RESTful/code/requirements.txt	
@@ -75,7 +75,7 @@ MarkupSafe==1.0
 matplotlib==2.1.2
 mccabe==0.6.1
 menuinst==1.4.11
-mistune==0.8.3
+mistune==2.0.3
 mpmath==1.0.0
 msgpack-python==0.5.1
 multipledispatch==0.4.9