diff --git a/requirements.txt b/requirements.txt
index b87f858..1a90bf2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 chatterbot==0.6.0
-bottle==0.12.13
+bottle==0.12.20
 waitress==1.0.2
 rtmbot==0.4.0
 websocket-client==0.40.0