diff --git a/requirements.txt b/requirements.txt
index 0fe9c88..f391c08 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,3 +42,4 @@ bcrypt<=3.1.7;
 cryptography<=3.0;
 sshtunnel>=0.1.5
 ldap3>=2.5.1
+Flask-BabelEx>=0.9.4