diff --git a/ui/package-lock.json b/ui/package-lock.json
index 0592488..68b603a 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "katex": "^0.16.25",
         "marked": "^17.0.1",
-        "mermaid": "^11.12.1",
+        "mermaid": "^11.16.1",
         "minisearch": "^7.2.0",
         "solid-js": "^1.9.10",
         "typescript": "^5.9.3",
@@ -2888,9 +2888,9 @@
       }
     },
     "node_modules/mermaid": {
-      "version": "11.16.0",
-      "resolved": "https://registry.npmjs.org/mermaid/-/mermaid-11.16.0.tgz",
-      "integrity": "sha512-Zvm3kbstgdpvIJPPItlL7fppIZ3kibvc1oZIGxdvk9t6UFz6flv+Jw7FtRGKwfcI8OckmH04LqG6LlS6X4B1pA==",
+      "version": "11.16.1",
+      "resolved": "https://registry.npmjs.org/mermaid/-/mermaid-11.16.1.tgz",
+      "integrity": "sha512-TQsq6u22fAn3rek5VOubrhKPo1g5hwC3FXUN9hiyupTckcYiGuuKGkNQrKYwGJkXUxZdojwRG46gsSCFZMDp4g==",
       "license": "MIT",
       "dependencies": {
         "@braintree/sanitize-url": "^7.1.2",
diff --git a/ui/package.json b/ui/package.json
index 6aa28be..9bc8a37 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -15,7 +15,7 @@
   "dependencies": {
     "katex": "^0.16.25",
     "marked": "^17.0.1",
-    "mermaid": "^11.12.1",
+    "mermaid": "^11.16.1",
     "minisearch": "^7.2.0",
     "solid-js": "^1.9.10",
     "typescript": "^5.9.3",