diff --git a/requirements.txt b/requirements.txt
index 7ee11ca..7f08fd8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 bayesian-optimization==1.0.1
-bottle==0.12.17
+bottle==0.12.20
 json_lines==0.5.0
 localconfig==1.1.3
 matplotlib==3.1.1