diff --git a/flask/requirements.txt b/flask/requirements.txt
index 2839d5a..65a5c40 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -2,7 +2,7 @@ Flask==1.0.2
 redis==3.2.1
 jsonschema==3.0.1
 boto==2.49.0
-PyJWT==1.7.1
+PyJWT==2.4.0
 flask-cors==3.0.9
 flask-sqlalchemy==2.4.0
 flask-and-redis==1.0.0