diff --git a/api/requirements.txt b/api/requirements.txt
old mode 100755
new mode 100644
index 0fdcc6d..681cd82
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -1,6 +1,6 @@
 werkzeug==0.16.0
 Flask==1.1.1
-Flask_restx==0.1.1
+Flask_restx==0.5.1
 Flask-HTTPAuth==3.3.0
 psycopg2-binary==2.8.4
 numpy