diff --git a/requirements.txt b/requirements.txt
index e9e5ccc2..721e74d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ SQLAlchemy
 alembic
 commonmark
 future-fstrings
-telethon
+telethon>=1.5,<1.5.4
 telethon-session-sqlalchemy