diff --git a/README.md b/README.md
index cbee7105c..7a122ce6c 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ If you have any questions, checkout the previous posts or create a new one at:
 - [Issue with 'question' label](https://github.com/naver/billboard.js/issues?utf8=%E2%9C%93&q=label%3Aquestion)
 
 ## Supported chart types
-<img src="https://naver.github.io/billboard.js/img/chart-types.png?v=14" width=800>
+<img src="https://naver.github.io/billboard.js/img/chart-types.png?v=15" width=800>
 
 ## Download and Installation