diff --git a/lib/diagram-render/package.json b/lib/diagram-render/package.json
index f164ba7047..68d768f7c5 100644
--- a/lib/diagram-render/package.json
+++ b/lib/diagram-render/package.json
@@ -9,7 +9,7 @@
   "dependencies": {
     "@excalidraw/excalidraw": "0.18.0",
     "@excalidraw/mermaid-to-excalidraw": "1.1.2",
-    "mermaid": "11.12.2",
+    "mermaid": "11.15.0",
     "react": "18.3.1",
     "react-dom": "18.3.1"
   }