diff --git a/requirements.txt b/requirements.txt
index adf510e..c65cd30 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-bottle==0.12.16
+bottle==0.12.20
 certifi==2019.3.9
 chardet==3.0.4
 idna==2.8