diff --git a/package-lock.json b/package-lock.json
index 8842aafbf7..364f35be69 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14913,9 +14913,9 @@
       }
     },
     "node_modules/highlight.js": {
-      "version": "11.10.0",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.10.0.tgz",
-      "integrity": "sha512-SYVnVFswQER+zu1laSya563s+F8VDGt7o35d4utbamowvUNLLMovFqwCLSocpZTz3MgaSRA1IbqRWZv97dtErQ==",
+      "version": "11.11.1",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.11.1.tgz",
+      "integrity": "sha512-Xwwo44whKBVCYoliBQwaPvtd/2tYFkRQtXDWj1nackaV2JPXx3L0+Jvd8/qCJ2p+ML0/XVkJ2q+Mr+UVdpJK5w==",
       "engines": {
         "node": ">=12.0.0"
       }
@@ -29876,7 +29876,7 @@
         "express-validator": "^7.2.0",
         "front-matter": "^4.0.2",
         "govuk-frontend": "*",
-        "highlight.js": "^11.10.0",
+        "highlight.js": "^11.11.1",
         "iframe-resizer": "^4.4.5",
         "marked": "^15.0.3",
         "marked-linkify-it": "^3.1.12",
diff --git a/packages/govuk-frontend-review/package.json b/packages/govuk-frontend-review/package.json
index 96e860e4b0..ad9bfdd6e7 100644
--- a/packages/govuk-frontend-review/package.json
+++ b/packages/govuk-frontend-review/package.json
@@ -32,7 +32,7 @@
     "express-validator": "^7.2.0",
     "front-matter": "^4.0.2",
     "govuk-frontend": "*",
-    "highlight.js": "^11.10.0",
+    "highlight.js": "^11.11.1",
     "iframe-resizer": "^4.4.5",
     "marked": "^15.0.3",
     "marked-linkify-it": "^3.1.12",