diff --git a/package-lock.json b/package-lock.json
index a471c35..f57cddf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "js-yaml": "^5.2.3",
         "luxon": "^3.7.2",
         "markdown-it": "^14.3.0",
-        "mermaid": "^11.16.0",
+        "mermaid": "^11.16.1",
         "nhsuk-frontend": "^10.5.2",
         "nhsuk-prototype-kit": "^8.3.1"
       },
@@ -7340,9 +7340,9 @@
       }
     },
     "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/package.json b/package.json
index 4c8b22f..d8aaed5 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "js-yaml": "^5.2.3",
     "luxon": "^3.7.2",
     "markdown-it": "^14.3.0",
-    "mermaid": "^11.16.0",
+    "mermaid": "^11.16.1",
     "nhsuk-frontend": "^10.5.2",
     "nhsuk-prototype-kit": "^8.3.1"
   },