diff --git a/package-lock.json b/package-lock.json
index 09c2ef4..65fd984 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,8 @@
       "license": "MIT",
       "dependencies": {
         "accessible-autocomplete": "^2.0.4",
-        "eventslibjs": "^1.2.0"
+        "eventslibjs": "^1.2.0",
+        "govuk-prototype-kit": "^13.13.1"
       },
       "devDependencies": {
         "@11ty/eleventy": "^2.0.0",
@@ -4582,9 +4583,9 @@
       }
     },
     "node_modules/govuk-prototype-kit": {
-      "version": "13.13.3",
-      "resolved": "https://registry.npmjs.org/govuk-prototype-kit/-/govuk-prototype-kit-13.13.3.tgz",
-      "integrity": "sha512-296WEGDDV/9CvKDKY7NAy9+/eOh2hZZt/t6xMNTvOgrvG45h9qOCS958z7hcPIHwXIUY3L7lS1zWAHI3zvX7hA==",
+      "version": "13.13.5",
+      "resolved": "https://registry.npmjs.org/govuk-prototype-kit/-/govuk-prototype-kit-13.13.5.tgz",
+      "integrity": "sha512-W7bVI1PYt4tgz3v2WFS2zCihwKiWBHxYML24FhaiU6qzV7Yf+KQwdfnDs7SuTUNnC/WiIR6vYmHzKOCsHaAciA==",
       "optional": true,
       "dependencies": {
         "ansi-colors": "^4.1.3",