diff --git a/requirements.txt b/requirements.txt
index 961e73e..2e887bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,4 +21,4 @@ pytz==2019.2
 six==1.12.0
 SQLAlchemy==1.3.6
 Werkzeug==0.15.5
-flask-restx==0.1.0
+flask-restx==0.5.1