diff --git a/requirements.txt b/requirements.txt
index 0ebc315..49c7503 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ future==0.16.0
 itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
-python-telegram-bot==6.0.1
+python-telegram-bot==8.1.1
 PyYAML==3.12
 requests==2.14.2
 urllib3==1.21.1