diff --git a/package.json b/package.json
index d26d62b..1f6550b 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   }],
   "name": "geostats",
   "description": "A tiny and standalone javascript library for classification and basic statistics",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "homepage": "https://github.com/simogeo/geostats",
   "keywords": [
     "mapping",