diff --git a/requirements.txt b/requirements.txt
index c9a45cf083f7e9c38c8227a83773c30f773efe6a..4cf25f4ffb907d2aa1652c22e76b590c71dbac49 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ importlib-metadata
 flask==2.2.2
 python-dotenv
 flask-login
+flask_babel
 
 flask-mongoengine==1.0
 Pillow