diff --git a/guide/package-lock.json b/guide/package-lock.json
index f274ee9c..a8885304 100644
--- a/guide/package-lock.json
+++ b/guide/package-lock.json
@@ -10,7 +10,7 @@
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
-        "@x-govuk/govuk-prototype-components": "^3.0.6",
+        "@x-govuk/govuk-prototype-components": "^5.0.2",
         "govuk-frontend": "5.11.0",
         "sass": "^1.77.8"
       }
@@ -298,18 +298,19 @@
       }
     },
     "node_modules/@x-govuk/govuk-prototype-components": {
-      "version": "3.0.9",
-      "resolved": "https://registry.npmjs.org/@x-govuk/govuk-prototype-components/-/govuk-prototype-components-3.0.9.tgz",
-      "integrity": "sha512-SvYSaeM465IEKZFRLO244FAZqP0GPyoWkq6m5LNIsfudYFAyd16BRQBQktY9t/TUOx1HRpGJJi2WZeqyVKRxkw==",
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/@x-govuk/govuk-prototype-components/-/govuk-prototype-components-5.0.2.tgz",
+      "integrity": "sha512-flrVR0od5DsgDtzufTpDIhGOMHdk+ZjvMJyoStk9l5iG0j41MXMa44GD4aeqPXspJW0DqlxP+vMpBX0c0ECEZQ==",
+      "license": "MIT",
       "dependencies": {
         "accessible-autocomplete": "^3.0.0",
         "eventslibjs": "^1.2.0"
       },
       "engines": {
-        "node": ">=18"
+        "node": "^20.19.0 || ^22.12.0 || >=24"
       },
       "peerDependencies": {
-        "govuk-frontend": "^5.0.0"
+        "govuk-frontend": "^5.11.0"
       }
     },
     "node_modules/accessible-autocomplete": {
diff --git a/guide/package.json b/guide/package.json
index f3ee56c5..f98d6a96 100644
--- a/guide/package.json
+++ b/guide/package.json
@@ -13,7 +13,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@x-govuk/govuk-prototype-components": "^3.0.6",
+    "@x-govuk/govuk-prototype-components": "^5.0.2",
     "govuk-frontend": "5.11.0",
     "sass": "^1.77.8"
   }