diff --git a/src/components/Toolbar.jsx b/src/components/Toolbar.jsx
index 76f6d19..ab26601 100644
--- a/src/components/Toolbar.jsx
+++ b/src/components/Toolbar.jsx
@@ -108,6 +108,7 @@ export default class Toolbar extends React.Component {
           </a>
           <a
             href="https://github.com/maputnik/editor"
+            rel="noopener noreferrer"
             target="_blank"
             className="maputnik-toolbar-logo"
           >