diff --git a/package-lock.json b/package-lock.json
index 7f3a781..57bdfd8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
       },
       "devDependencies": {
         "@x-govuk/eslint-config": "^0.0.1",
-        "prettier": "^3.4.2"
+        "prettier": "^3.5.3"
       },
       "engines": {
         "node": "^20.0.0"
@@ -6348,10 +6348,11 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
-      "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.3.tgz",
+      "integrity": "sha512-QQtaxnoDJeAkDvDKWCLiwIXkTgRhwYDEQCghU9Z6q03iyek/rxRh/2lC3HB7P8sWT2xC/y5JDctPLBIGzHKbhw==",
       "dev": true,
+      "license": "MIT",
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
diff --git a/package.json b/package.json
index 47f3c13..354ef59 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@x-govuk/eslint-config": "^0.0.1",
-    "prettier": "^3.4.2"
+    "prettier": "^3.5.3"
   },
   "engines": {
     "node": "^20.0.0"