diff --git a/packages/mermaid/src/docs/.vitepress/config.ts b/packages/mermaid/src/docs/.vitepress/config.ts
index 2ca53b348..7ade4bd3f 100644
--- a/packages/mermaid/src/docs/.vitepress/config.ts
+++ b/packages/mermaid/src/docs/.vitepress/config.ts
@@ -115,6 +115,7 @@ function sidebarSyntax() {
         { text: 'User Journey', link: '/syntax/userJourney' },
         { text: 'Gantt', link: '/syntax/gantt' },
         { text: 'Pie Chart', link: '/syntax/pie' },
+        { text: 'Quadrant Chart', link: '/syntax/quadrantChart' },
         { text: 'Requirement Diagram', link: '/syntax/requirementDiagram' },
         { text: 'Gitgraph (Git) Diagram 🔥', link: '/syntax/gitgraph' },
         { text: 'C4C Diagram (Context) Diagram 🦺⚠️', link: '/syntax/c4c' },