diff --git a/Facial_Landmark_Detection/requirements.txt b/Facial_Landmark_Detection/requirements.txt
index b68d1fd..57f6689 100644
--- a/Facial_Landmark_Detection/requirements.txt
+++ b/Facial_Landmark_Detection/requirements.txt
@@ -120,7 +120,7 @@ keras-tqdm==2.0.1
 kiwisolver==1.0.1
 lightgbm==2.2.2
 llvmlite==0.26.0
-lxml==4.4.1
+lxml==4.6.5
 Markdown==3.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2