diff --git a/graylog2-web-interface/src/components/common/Markdown.tsx b/graylog2-web-interface/src/components/common/Markdown.tsx
index 696b250482e7..19449519fde6 100644
--- a/graylog2-web-interface/src/components/common/Markdown.tsx
+++ b/graylog2-web-interface/src/components/common/Markdown.tsx
@@ -24,7 +24,7 @@ type Props = {
 }
 
 const Markdown = ({ text }: Props) => {
-  const markdown = useMemo(() => DOMPurify.sanitize(marked(text ?? '')), [text]);
+  const markdown = useMemo(() => DOMPurify.sanitize(marked(text ?? '', { async: false })), [text]);
 
   // eslint-disable-next-line react/no-danger
   return <div dangerouslySetInnerHTML={{ __html: markdown }} />;
diff --git a/graylog2-web-interface/yarn.lock b/graylog2-web-interface/yarn.lock
index 7502643dcfbb..6f80bb8c5c62 100644
--- a/graylog2-web-interface/yarn.lock
+++ b/graylog2-web-interface/yarn.lock
@@ -3637,6 +3637,11 @@
   resolved "https://registry.yarnpkg.com/@types/tough-cookie/-/tough-cookie-4.0.2.tgz#6286b4c7228d58ab7866d19716f3696e03a09397"
   integrity sha512-Q5vtl1W5ue16D+nIaW8JWebSSraJVlK+EthKn7e7UcD4KWsaSJ8BqGPXNaPghgtcn/fhvrN17Tv8ksUsQpiplw==
 
+"@types/trusted-types@^2.0.7":
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/@types/trusted-types/-/trusted-types-2.0.7.tgz#baccb07a970b91707df3a3e8ba6896c57ead2d11"
+  integrity sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==
+
 "@types/ua-parser-js@^0.7.36":
   version "0.7.39"
   resolved "https://registry.yarnpkg.com/@types/ua-parser-js/-/ua-parser-js-0.7.39.tgz#832c58e460c9435e4e34bb866e85e9146e12cdbb"
@@ -6662,9 +6667,11 @@ domhandler@^4.0.0, domhandler@^4.2.0:
     domelementtype "^2.2.0"
 
 dompurify@^3.0.0:
-  version "3.1.7"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.7.tgz#711a8c96479fb6ced93453732c160c3c72418a6a"
-  integrity sha512-VaTstWtsneJY8xzy7DekmYWEOZcmzIe3Qb3zPd4STve1OBTa+e+WmS1ITQec1fZYXI3HCsOZZiSMpG6oxoWMWQ==
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.2.4.tgz#af5a5a11407524431456cf18836c55d13441cd8e"
+  integrity sha512-ysFSFEDVduQpyhzAob/kkuJjf5zWkZD8/A9ywSp1byueyuCfHamrCBa14/Oc2iiB0e51B+NpxSl5gmzn+Ms/mg==
+  optionalDependencies:
+    "@types/trusted-types" "^2.0.7"
 
 domutils@1.5.1:
   version "1.5.1"