diff --git a/Project/Project_1-Predicting_Bike_Sharing_Patterns/Requirement.txt b/Project/Project_1-Predicting_Bike_Sharing_Patterns/Requirement.txt
index 62b1227f0..2ef2375b7 100644
--- a/Project/Project_1-Predicting_Bike_Sharing_Patterns/Requirement.txt
+++ b/Project/Project_1-Predicting_Bike_Sharing_Patterns/Requirement.txt
@@ -17,7 +17,7 @@ jupyter-console==5.1.0
 jupyter-core==4.3.0
 MarkupSafe==1.0
 matplotlib==2.0.0
-mistune==0.7.4
+mistune==2.0.3
 nbconvert==5.1.1
 nbformat==4.3.0
 notebook==4.4.1