diff --git a/Facial_Landmark_Detection/requirements.txt b/Facial_Landmark_Detection/requirements.txt
index b68d1fd..2ea2978 100644
--- a/Facial_Landmark_Detection/requirements.txt
+++ b/Facial_Landmark_Detection/requirements.txt
@@ -227,7 +227,7 @@ tornado==5.1.1
 tqdm==4.28.1
 traitlets==4.3.2
 Twisted==19.7.0
-ujson==1.35
+ujson==5.2.0
 unicodecsv==0.14.1
 uritemplate==3.0.0
 urllib3==1.24.1