diff --git a/requirements.txt b/requirements.txt
index 8f8c054..74fd393 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 click==7.1.1
 Flask==1.1.1
+Flask-HTTPAuth==3.3.0
 Flask-SQLAlchemy==2.4.1
 itsdangerous==1.1.0
 Jinja2==2.11.1