diff --git a/requirements.txt b/requirements.txt
index 5ef446a..cf871f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asn1crypto==0.24.0
 asyncio==3.4.3
 Babel==2.5.3
 Beaker==1.9.0
-bottle==0.12.13
+bottle==0.12.20
 bottle-cork==0.12.0
 certifi==2018.1.18
 cffi==1.11.4