diff --git a/Facial_Landmark_Detection/requirements.txt b/Facial_Landmark_Detection/requirements.txt
index b68d1fd..3ad2d42 100644
--- a/Facial_Landmark_Detection/requirements.txt
+++ b/Facial_Landmark_Detection/requirements.txt
@@ -124,7 +124,7 @@ lxml==4.4.1
 Markdown==3.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==4.3.0
 msgpack==0.5.6
 msgpack-numpy==0.4.3.2