diff --git a/package-lock.json b/package-lock.json
index 81d5d9af4..4b6995e3f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "lodash": "^4.18.1"
       },
       "devDependencies": {
-        "@sntke/antora-mermaid-extension": "^0.0.12",
+        "@sntke/antora-mermaid-extension": "^0.0.13",
         "broken-link-checker": "^0.7.8",
         "http-server": "^14.1.1"
       }
@@ -579,9 +579,9 @@
       }
     },
     "node_modules/@sntke/antora-mermaid-extension": {
-      "version": "0.0.12",
-      "resolved": "https://registry.npmjs.org/@sntke/antora-mermaid-extension/-/antora-mermaid-extension-0.0.12.tgz",
-      "integrity": "sha512-k0RcVs2BsQplecc2+Bih3s85rGi5JLvcZ1nVNG6PiOYJckEOIfVBUaEmNB8x1nrdTuhNQQTG/fXeLUx+nTfpkw==",
+      "version": "0.0.13",
+      "resolved": "https://registry.npmjs.org/@sntke/antora-mermaid-extension/-/antora-mermaid-extension-0.0.13.tgz",
+      "integrity": "sha512-q7PgSImvLKA7wxL7o9FDX0Q6Dn/1tnEWogOW4P91gbcjiIUe26BopoHalTIeiRTwmhJu5LMtBSq6NboxQYLTOw==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index d0b22aadd..8731c6efd 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "lodash": "^4.18.1"
   },
   "devDependencies": {
-    "@sntke/antora-mermaid-extension": "^0.0.12",
+    "@sntke/antora-mermaid-extension": "^0.0.13",
     "broken-link-checker": "^0.7.8",
     "http-server": "^14.1.1"
   },