diff --git a/DigitalLearningSolutions.Web/package.json b/DigitalLearningSolutions.Web/package.json
index b7e1109071..06bb2d6c29 100644
--- a/DigitalLearningSolutions.Web/package.json
+++ b/DigitalLearningSolutions.Web/package.json
@@ -25,7 +25,7 @@
     "chartist": "^0.11.4",
     "core-js": "^3.49.0",
     "date-fns": "^2.30.0",
-    "dompurify": "^2.5.9",
+    "dompurify": "^3.4.12",
     "input-range-scss": "^1.5.3",
     "jodit": "^3.24.9",
     "js-cookie": "^3.0.5",
diff --git a/DigitalLearningSolutions.Web/yarn.lock b/DigitalLearningSolutions.Web/yarn.lock
index 4702c5ffda..73120c65ea 100644
--- a/DigitalLearningSolutions.Web/yarn.lock
+++ b/DigitalLearningSolutions.Web/yarn.lock
@@ -1647,7 +1647,7 @@
   resolved "https://registry.yarnpkg.com/@types/tough-cookie/-/tough-cookie-4.0.5.tgz#cb6e2a691b70cb177c6e3ae9c1d2e8b2ea8cd304"
   integrity sha512-/Ad8+nIOV7Rl++6f1BdKxFSMgmoqEoYbHRpPcx3JEfv8VRsQe9Z4mCXeJBzxs7mbHY/XOZZuXlRNfhpVPbs6ZA==
 
-"@types/trusted-types@*":
+"@types/trusted-types@*", "@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==
@@ -2757,10 +2757,12 @@ domexception@^4.0.0:
   dependencies:
     webidl-conversions "^7.0.0"
 
-dompurify@^2.5.9:
-  version "2.5.9"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.5.9.tgz#80481ec22dfac67285cc274cb51a45c1e9fa9c42"
-  integrity sha512-i6mvVmWN4xo9LrhCOZrDgSs9noW6nOahbrmzjRbPF36YPyj5Ue5lgok0MHDWkG7xzpWFO2OYttXdzM7rJxHvNA==
+dompurify@^3.4.12:
+  version "3.4.12"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.12.tgz#6fa2265e9bbdce882c4ace4107626051b448ffa8"
+  integrity sha512-zQvGet8Z2sWbQhCmfFz/T5QWH2oBmjnqK3qvOjaqaNLrLEF912WamU+ohnTp0TCep/MFVHpdJuCZEdFOdTnEFg==
+  optionalDependencies:
+    "@types/trusted-types" "^2.0.7"
 
 dunder-proto@^1.0.0, dunder-proto@^1.0.1:
   version "1.0.1"