diff --git a/setup.py b/setup.py
index 09cd00a2..91792b28 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ setuptools.setup(
         "ruamel.yaml>=0.15.35,<0.16",
         "future-fstrings>=0.4.2",
         "python-magic>=0.4.15,<0.5",
-        "telethon>=1.0,<1.3",
+        "telethon>=1.5,<1.6",
         "telethon-session-sqlalchemy>=0.2.3,<0.3",
     ],
     extras_require=extras,