diff --git a/services/web/tmtar/requirements.txt b/services/web/tmtar/requirements.txt
index 6196030c..ace0f083 100644
--- a/services/web/tmtar/requirements.txt
+++ b/services/web/tmtar/requirements.txt
@@ -3,7 +3,7 @@ Flask-SQLAlchemy>2.4.4
 psycopg2-binary>=2.8.6
 pytest>=6.1.2
 flask-marshmallow>=0.14.0
-flask-restx==0.4.0
+flask-restx==0.5.1
 Werkzeug<2.0
 flask-accepts>=0.17.4
 typing-extensions>=3.7.4.3