diff --git a/package.json b/package.json
index e31fc2af..913e4945 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "preview": "vitepress preview"
   },
   "devDependencies": {
-    "mermaid": "11.16.1",
+    "mermaid": "12.1.0",
     "vitepress-plugin-mermaid": "2.0.17"
   },
   "overrides": {