diff --git a/package-lock.json b/package-lock.json
index c89f7b2..d5aa49d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       },
       "devDependencies": {
         "@guardian/eslint-config-typescript": "7.0.0",
-        "@guardian/prettier": "5.0.0",
+        "@guardian/prettier": "7.0.0",
         "@guardian/tsconfig": "0.2.0",
         "@types/node": "20.5.3",
         "eslint": "^8.56.0",
@@ -266,13 +266,13 @@
       }
     },
     "node_modules/@guardian/prettier": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/@guardian/prettier/-/prettier-5.0.0.tgz",
-      "integrity": "sha512-gJSQuuP7JVDOWQj4EUrwyJTnMt+frLkw0D2sLg70nHn76L3LmH2xTQtYMPUsqyqn37qocDPzgdvBdmATi50zRQ==",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@guardian/prettier/-/prettier-7.0.0.tgz",
+      "integrity": "sha512-07Cau6PiJqGhmMJSwWlFW1IXYE+cmA4Bagr+aTEZiSBN38hljatnQEOTlRJW0gEn/PjGz6/au8dPbOhtGwZbGg==",
       "dev": true,
       "peerDependencies": {
-        "prettier": "^3.0.0",
-        "tslib": "^2.5.3"
+        "prettier": "^3.1.1",
+        "tslib": "^2.6.2"
       }
     },
     "node_modules/@guardian/tsconfig": {
@@ -3197,9 +3197,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.0.3.tgz",
-      "integrity": "sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.1.1.tgz",
+      "integrity": "sha512-22UbSzg8luF4UuZtzgiUOfcGM8s4tjBv6dJRT7j275NXsy2jb4aJa4NNveul5x4eqlF1wuhuR2RElK71RvmVaw==",
       "dev": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
diff --git a/package.json b/package.json
index 7e55b92..24f7e08 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@guardian/eslint-config-typescript": "7.0.0",
-    "@guardian/prettier": "5.0.0",
+    "@guardian/prettier": "7.0.0",
     "@guardian/tsconfig": "0.2.0",
     "@types/node": "20.5.3",
     "eslint": "^8.56.0",