diff --git a/package-lock.json b/package-lock.json
index a80fec3..9e379df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "prettier": "3.6.2",
         "ts-jest": "29.4.4",
         "tsx": "4.20.6",
-        "typescript": "5.9.2"
+        "typescript": "5.9.3"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -10404,9 +10404,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
-      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 8195711..818f6b9 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "prettier": "3.6.2",
     "ts-jest": "29.4.4",
     "tsx": "4.20.6",
-    "typescript": "5.9.2"
+    "typescript": "5.9.3"
   },
   "prettier": "@guardian/prettier"
 }