diff --git a/package-lock.json b/package-lock.json
index 2538211..8f767ad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
 			"devDependencies": {
 				"@sindresorhus/tsconfig": "^7.0.0",
 				"@types/node": "^20.19.2",
-				"typescript": "^5.8.3",
+				"typescript": "^5.9.2",
 				"xo": "^0.60.0"
 			},
 			"engines": {
@@ -6751,9 +6751,9 @@
 			}
 		},
 		"node_modules/typescript": {
-			"version": "5.8.3",
-			"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-			"integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+			"version": "5.9.2",
+			"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+			"integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
 			"dev": true,
 			"license": "Apache-2.0",
 			"bin": {
diff --git a/package.json b/package.json
index b1bd3f3..1695538 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
 	"devDependencies": {
 		"@sindresorhus/tsconfig": "^7.0.0",
 		"@types/node": "^20.19.2",
-		"typescript": "^5.8.3",
+		"typescript": "^5.9.2",
 		"xo": "^0.60.0"
 	},
 	"xo": {