diff --git a/requirements.txt b/requirements.txt
index 377a175..48d2cff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-bottle==0.12.15
+bottle==0.12.20
 certifi==2018.11.29
 chardet==3.0.4
 geotext==0.4.0