diff --git a/packages/mermaid/src/docs/index.md b/packages/mermaid/src/docs/index.md
index c9b83bdf7..6896296b1 100644
--- a/packages/mermaid/src/docs/index.md
+++ b/packages/mermaid/src/docs/index.md
@@ -18,6 +18,8 @@ hero:
     - theme: brand
       text: Try Playground
       link: https://www.mermaidchart.com/play
+      target: _blank
+      rel: external
     - theme: alt
       text: Get started
       link: /intro