diff --git a/package.json b/package.json
index 81af6a65..4238142b 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "govuk-frontend": "^5.7.1",
     "jquery": "^3.7.1",
     "js-cookie": "^3.0.5",
-    "rollup": "^4.25.0",
+    "rollup": "^4.27.4",
     "sass": "^1.80.6",
     "tslib": "^2.8.1",
     "typescript": "^5.6.3"
diff --git a/yarn.lock b/yarn.lock
index 13037d7d..8f345605 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -420,128 +420,128 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@rollup/rollup-android-arm-eabi@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-android-arm-eabi@npm:4.25.0"
+"@rollup/rollup-android-arm-eabi@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-android-arm-eabi@npm:4.27.4"
   conditions: os=android & cpu=arm
   languageName: node
   linkType: hard
 
-"@rollup/rollup-android-arm64@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-android-arm64@npm:4.25.0"
+"@rollup/rollup-android-arm64@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-android-arm64@npm:4.27.4"
   conditions: os=android & cpu=arm64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-darwin-arm64@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-darwin-arm64@npm:4.25.0"
+"@rollup/rollup-darwin-arm64@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-darwin-arm64@npm:4.27.4"
   conditions: os=darwin & cpu=arm64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-darwin-x64@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-darwin-x64@npm:4.25.0"
+"@rollup/rollup-darwin-x64@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-darwin-x64@npm:4.27.4"
   conditions: os=darwin & cpu=x64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-freebsd-arm64@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-freebsd-arm64@npm:4.25.0"
+"@rollup/rollup-freebsd-arm64@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-freebsd-arm64@npm:4.27.4"
   conditions: os=freebsd & cpu=arm64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-freebsd-x64@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-freebsd-x64@npm:4.25.0"
+"@rollup/rollup-freebsd-x64@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-freebsd-x64@npm:4.27.4"
   conditions: os=freebsd & cpu=x64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm-gnueabihf@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-arm-gnueabihf@npm:4.25.0"
+"@rollup/rollup-linux-arm-gnueabihf@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-arm-gnueabihf@npm:4.27.4"
   conditions: os=linux & cpu=arm & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm-musleabihf@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-arm-musleabihf@npm:4.25.0"
+"@rollup/rollup-linux-arm-musleabihf@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-arm-musleabihf@npm:4.27.4"
   conditions: os=linux & cpu=arm & libc=musl
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm64-gnu@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-arm64-gnu@npm:4.25.0"
+"@rollup/rollup-linux-arm64-gnu@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-arm64-gnu@npm:4.27.4"
   conditions: os=linux & cpu=arm64 & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-arm64-musl@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-arm64-musl@npm:4.25.0"
+"@rollup/rollup-linux-arm64-musl@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-arm64-musl@npm:4.27.4"
   conditions: os=linux & cpu=arm64 & libc=musl
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-powerpc64le-gnu@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-powerpc64le-gnu@npm:4.25.0"
+"@rollup/rollup-linux-powerpc64le-gnu@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-powerpc64le-gnu@npm:4.27.4"
   conditions: os=linux & cpu=ppc64 & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-riscv64-gnu@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-riscv64-gnu@npm:4.25.0"
+"@rollup/rollup-linux-riscv64-gnu@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-riscv64-gnu@npm:4.27.4"
   conditions: os=linux & cpu=riscv64 & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-s390x-gnu@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-s390x-gnu@npm:4.25.0"
+"@rollup/rollup-linux-s390x-gnu@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-s390x-gnu@npm:4.27.4"
   conditions: os=linux & cpu=s390x & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-x64-gnu@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-x64-gnu@npm:4.25.0"
+"@rollup/rollup-linux-x64-gnu@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-x64-gnu@npm:4.27.4"
   conditions: os=linux & cpu=x64 & libc=glibc
   languageName: node
   linkType: hard
 
-"@rollup/rollup-linux-x64-musl@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-linux-x64-musl@npm:4.25.0"
+"@rollup/rollup-linux-x64-musl@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-linux-x64-musl@npm:4.27.4"
   conditions: os=linux & cpu=x64 & libc=musl
   languageName: node
   linkType: hard
 
-"@rollup/rollup-win32-arm64-msvc@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-win32-arm64-msvc@npm:4.25.0"
+"@rollup/rollup-win32-arm64-msvc@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-win32-arm64-msvc@npm:4.27.4"
   conditions: os=win32 & cpu=arm64
   languageName: node
   linkType: hard
 
-"@rollup/rollup-win32-ia32-msvc@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-win32-ia32-msvc@npm:4.25.0"
+"@rollup/rollup-win32-ia32-msvc@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-win32-ia32-msvc@npm:4.27.4"
   conditions: os=win32 & cpu=ia32
   languageName: node
   linkType: hard
 
-"@rollup/rollup-win32-x64-msvc@npm:4.25.0":
-  version: 4.25.0
-  resolution: "@rollup/rollup-win32-x64-msvc@npm:4.25.0"
+"@rollup/rollup-win32-x64-msvc@npm:4.27.4":
+  version: 4.27.4
+  resolution: "@rollup/rollup-win32-x64-msvc@npm:4.27.4"
   conditions: os=win32 & cpu=x64
   languageName: node
   linkType: hard
@@ -2076,7 +2076,7 @@ __metadata:
     govuk-frontend: "npm:^5.7.1"
     jquery: "npm:^3.7.1"
     js-cookie: "npm:^3.0.5"
-    rollup: "npm:^4.25.0"
+    rollup: "npm:^4.27.4"
     sass: "npm:^1.80.6"
     tslib: "npm:^2.8.1"
     typescript: "npm:^5.6.3"
@@ -2176,28 +2176,28 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rollup@npm:^4.25.0":
-  version: 4.25.0
-  resolution: "rollup@npm:4.25.0"
-  dependencies:
-    "@rollup/rollup-android-arm-eabi": "npm:4.25.0"
-    "@rollup/rollup-android-arm64": "npm:4.25.0"
-    "@rollup/rollup-darwin-arm64": "npm:4.25.0"
-    "@rollup/rollup-darwin-x64": "npm:4.25.0"
-    "@rollup/rollup-freebsd-arm64": "npm:4.25.0"
-    "@rollup/rollup-freebsd-x64": "npm:4.25.0"
-    "@rollup/rollup-linux-arm-gnueabihf": "npm:4.25.0"
-    "@rollup/rollup-linux-arm-musleabihf": "npm:4.25.0"
-    "@rollup/rollup-linux-arm64-gnu": "npm:4.25.0"
-    "@rollup/rollup-linux-arm64-musl": "npm:4.25.0"
-    "@rollup/rollup-linux-powerpc64le-gnu": "npm:4.25.0"
-    "@rollup/rollup-linux-riscv64-gnu": "npm:4.25.0"
-    "@rollup/rollup-linux-s390x-gnu": "npm:4.25.0"
-    "@rollup/rollup-linux-x64-gnu": "npm:4.25.0"
-    "@rollup/rollup-linux-x64-musl": "npm:4.25.0"
-    "@rollup/rollup-win32-arm64-msvc": "npm:4.25.0"
-    "@rollup/rollup-win32-ia32-msvc": "npm:4.25.0"
-    "@rollup/rollup-win32-x64-msvc": "npm:4.25.0"
+"rollup@npm:^4.27.4":
+  version: 4.27.4
+  resolution: "rollup@npm:4.27.4"
+  dependencies:
+    "@rollup/rollup-android-arm-eabi": "npm:4.27.4"
+    "@rollup/rollup-android-arm64": "npm:4.27.4"
+    "@rollup/rollup-darwin-arm64": "npm:4.27.4"
+    "@rollup/rollup-darwin-x64": "npm:4.27.4"
+    "@rollup/rollup-freebsd-arm64": "npm:4.27.4"
+    "@rollup/rollup-freebsd-x64": "npm:4.27.4"
+    "@rollup/rollup-linux-arm-gnueabihf": "npm:4.27.4"
+    "@rollup/rollup-linux-arm-musleabihf": "npm:4.27.4"
+    "@rollup/rollup-linux-arm64-gnu": "npm:4.27.4"
+    "@rollup/rollup-linux-arm64-musl": "npm:4.27.4"
+    "@rollup/rollup-linux-powerpc64le-gnu": "npm:4.27.4"
+    "@rollup/rollup-linux-riscv64-gnu": "npm:4.27.4"
+    "@rollup/rollup-linux-s390x-gnu": "npm:4.27.4"
+    "@rollup/rollup-linux-x64-gnu": "npm:4.27.4"
+    "@rollup/rollup-linux-x64-musl": "npm:4.27.4"
+    "@rollup/rollup-win32-arm64-msvc": "npm:4.27.4"
+    "@rollup/rollup-win32-ia32-msvc": "npm:4.27.4"
+    "@rollup/rollup-win32-x64-msvc": "npm:4.27.4"
     "@types/estree": "npm:1.0.6"
     fsevents: "npm:~2.3.2"
   dependenciesMeta:
@@ -2241,7 +2241,7 @@ __metadata:
       optional: true
   bin:
     rollup: dist/bin/rollup
-  checksum: 10c0/fdb4d530bc942024f6e9ee3b5051fd2a8ef545a3869a689f6d1fea0f391e0b257835b639c01dc3024dbafe3790c8210aea547bcddbdb38c002087e5bf4630ad8
+  checksum: 10c0/1442650cfea5e4617ce14743784f6f578817e31db56f9c8aaf96a82daa9bc20b6ccd66c0d677dbf302a4da3e70664dc3bef11a1aec85e6aff3cecccb945b1d35
   languageName: node
   linkType: hard