diff --git a/requirements.txt b/requirements.txt
index c5078467..dda94658 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,8 +4,8 @@ commonmark>=0.8,<0.10
 aiohttp>=3,<4
 yarl>=1,<2
 mautrix>=0.18.8,<0.19
-#telethon>=1.25.4,<1.26
-tulir-telethon==1.26.0a11
+#telethon>=1.25.4,<1.27
+tulir-telethon==1.27.0a1
 asyncpg>=0.20,<0.28
 mako>=1,<2
 setuptools