diff --git a/docs/package-lock.json b/docs/package-lock.json
index b3ab7bc..2678c18 100644
--- a/docs/package-lock.json
+++ b/docs/package-lock.json
@@ -12,7 +12,7 @@
         "nhsuk-frontend": "^10.1.0"
       },
       "devDependencies": {
-        "fast-xml-parser": "^4.5.4",
+        "fast-xml-parser": "^5.5.6",
         "pa11y-ci": "^3.1.0",
         "pa11y-ci-reporter-html": "^6.0.2",
         "pm2": "^5.4.1",
@@ -1476,10 +1476,26 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/fast-xml-builder": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/fast-xml-builder/-/fast-xml-builder-1.1.4.tgz",
+      "integrity": "sha512-f2jhpN4Eccy0/Uz9csxh3Nu6q4ErKxf0XIsasomfOihuSUa3/xw6w8dnOtCDgEItQFJG8KyXPzQXzcODDrrbOg==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "path-expression-matcher": "^1.1.3"
+      }
+    },
     "node_modules/fast-xml-parser": {
-      "version": "4.5.4",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.5.4.tgz",
-      "integrity": "sha512-jE8ugADnYOBsu1uaoayVl1tVKAMNOXyjwvv2U6udEA2ORBhDooJDWoGxTkhd4Qn4yh59JVVt/pKXtjPwx9OguQ==",
+      "version": "5.5.6",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.5.6.tgz",
+      "integrity": "sha512-3+fdZyBRVg29n4rXP0joHthhcHdPUHaIC16cuyyd1iLsuaO6Vea36MPrxgAzbZna8lhvZeRL8Bc9GP56/J9xEw==",
       "dev": true,
       "funding": [
         {
@@ -1489,7 +1505,9 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "strnum": "^1.0.5"
+        "fast-xml-builder": "^1.1.4",
+        "path-expression-matcher": "^1.1.3",
+        "strnum": "^2.1.2"
       },
       "bin": {
         "fxparser": "src/cli/cli.js"
@@ -2709,6 +2727,22 @@
         "node": ">=8"
       }
     },
+    "node_modules/path-expression-matcher": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/path-expression-matcher/-/path-expression-matcher-1.1.3.tgz",
+      "integrity": "sha512-qdVgY8KXmVdJZRSS1JdEPOKPdTiEK/pi0RkcT2sw1RhXxohdujUlJFPuS1TSkevZ9vzd3ZlL7ULl1MHGTApKzQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -3564,10 +3598,16 @@
       }
     },
     "node_modules/strnum": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/strnum/-/strnum-1.0.5.tgz",
-      "integrity": "sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/strnum/-/strnum-2.2.0.tgz",
+      "integrity": "sha512-Y7Bj8XyJxnPAORMZj/xltsfo55uOiyHcU2tnAVzHUnSJR/KsEX+9RoDeXEnsXtl/CX4fAcrt64gZ13aGaWPeBg==",
       "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
       "license": "MIT"
     },
     "node_modules/supports-color": {
diff --git a/docs/package.json b/docs/package.json
index 4a1353b..e2703cb 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -18,7 +18,7 @@
     "nhsuk-frontend": "^10.1.0"
   },
   "devDependencies": {
-    "fast-xml-parser": "^4.5.4",
+    "fast-xml-parser": "^5.5.6",
     "pa11y-ci": "^3.1.0",
     "pa11y-ci-reporter-html": "^6.0.2",
     "pm2": "^5.4.1",