diff --git a/package-lock.json b/package-lock.json
index 28fb700..468b1bd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       },
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-        "prettier": "^3.5.0"
+        "prettier": "^3.7.3"
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@@ -1289,8 +1289,7 @@
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-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
     },
     "node_modules/@types/markdown-it": {
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@@ -1317,8 +1316,7 @@
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-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
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     "node_modules/@types/resolve": {
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@@ -1379,6 +1377,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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         "@typescript-eslint/types": "8.46.2",
@@ -1690,6 +1689,7 @@
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       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
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@@ -2809,6 +2809,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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@@ -3773,6 +3774,7 @@
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       "license": "MIT",
+      "peer": true,
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         "node": ">= 4.2.0"
       }
@@ -4790,6 +4792,7 @@
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       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "argparse": "^2.0.1",
         "entities": "^4.4.0",
@@ -5609,6 +5612,7 @@
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       "license": "MIT",
+      "peer": true,
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         "posthtml-render": "^3.0.0"
@@ -5664,9 +5668,9 @@
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-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.6.2.tgz",
-      "integrity": "sha512-I7AIg5boAr5R0FFtJ6rCfD+LFsWHp81dolrFD8S79U9tb8Az2nGrJncnMSnys+bpQJfRUzqs9hnA81OAA3hCuQ==",
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.3.tgz",
+      "integrity": "sha512-QgODejq9K3OzoBbuyobZlUhznP5SKwPqp+6Q6xw6o8gnhr4O85L2U915iM2IDcfF2NPXVaM9zlo9tdwipnYwzg==",
       "dev": true,
       "license": "MIT",
       "bin": {
@@ -5886,6 +5890,7 @@
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       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@types/estree": "1.0.8"
       },
diff --git a/package.json b/package.json
index 71382bb..9169d70 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@x-govuk/eslint-config": "^0.0.1",
-    "prettier": "^3.5.0"
+    "prettier": "^3.7.3"
   },
   "engines": {
     "node": ">=22"