diff --git a/package.json b/package.json
index ab50553ac..c2c2df063 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "stylelint-config-gds": "^1.1.0"
   },
   "dependencies": {
-    "mermaid": "11.2.1",
+    "mermaid": "11.3.0",
     "paste-html-to-govspeak": "^0.4.0"
   },
   "resolutions": {
diff --git a/yarn.lock b/yarn.lock
index ec0426ccd..801153ac2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1041,7 +1041,7 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
-dompurify@^3.0.11:
+"dompurify@^3.0.11 <3.1.7":
   version "3.1.6"
   resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.6.tgz#43c714a94c6a7b8801850f82e756685300a027e2"
   integrity sha512-cTOAhc36AalkjtBpfG6O8JimdTMWNXjiePT2xQH/ppBGi/4uIpmj8eKyIkMJErXWARyINV/sB38yf8JCLF5pbQ==
@@ -2397,10 +2397,10 @@ merge2@^1.3.0, merge2@^1.4.1:
   resolved "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz"
   integrity sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==
 
-mermaid@11.2.1:
-  version "11.2.1"
-  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-11.2.1.tgz#b168c6f862268f77a0d3559926b193926ddc60bc"
-  integrity sha512-F8TEaLVVyxTUmvKswVFyOkjPrlJA5h5vNR1f7ZnSWSpqxgEZG1hggtn/QCa7znC28bhlcrNh10qYaIiill7q4A==
+mermaid@11.3.0:
+  version "11.3.0"
+  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-11.3.0.tgz#971c7a02c3a8e11058d42abf74196b72e70f2889"
+  integrity sha512-fFmf2gRXLtlGzug4wpIGN+rQdZ30M8IZEB1D3eZkXNqC7puhqeURBcD/9tbwXsqBO+A6Nzzo3MSSepmnw5xSeg==
   dependencies:
     "@braintree/sanitize-url" "^7.0.1"
     "@iconify/utils" "^2.1.32"
@@ -2412,7 +2412,7 @@ mermaid@11.2.1:
     d3-sankey "^0.12.3"
     dagre-d3-es "7.0.10"
     dayjs "^1.11.10"
-    dompurify "^3.0.11"
+    dompurify "^3.0.11 <3.1.7"
     katex "^0.16.9"
     khroma "^2.1.0"
     lodash-es "^4.17.21"