diff --git a/package-lock.json b/package-lock.json
index 1817679..a78b9eb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
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       "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.38.5.tgz",
@@ -1140,54 +859,10 @@
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-        "source-map": "^0.6.0"
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-      "resolved": "https://registry.npmjs.org/upper-case/-/upper-case-1.1.3.tgz",
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 }
diff --git a/package.json b/package.json
index e3803fc..9807a41 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "github-markdown-css": "^4.0.0",
     "jquery": "^3.5.0",
     "mathjax": "^3.1.2",
-    "mermaid": "^8.9.0",
+    "mermaid": "^8.11.0",
     "rollup": "^2.38.5"
   }
 }