diff --git a/package.json b/package.json
index 1b04ab7..85e4388 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pointlinejs",
-  "version": "0.1.20",
+  "version": "0.1.21",
   "description": "JavaScipt library for visualization of tree diagrams",
   "directories": {
     "example": "examples"