diff --git a/requirements.txt b/requirements.txt
index 520a4ff..3479791 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-bottle==0.12.16
+bottle==0.12.20
 cycler==0.10.0
 Jinja2==2.10.1
 joblib==0.13.2