diff --git a/flask/requirements.txt b/flask/requirements.txt
index 60b1d36..6a5fb16 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -16,3 +16,4 @@ PyQRCode
 WTForms
 onetimepass
 email_validator
+iso3166
\ No newline at end of file