diff --git a/src/Umbraco.Community.SimpleTrees.Client/package-lock.json b/src/Umbraco.Community.SimpleTrees.Client/package-lock.json
index ccfea91..d22c2dc 100644
--- a/src/Umbraco.Community.SimpleTrees.Client/package-lock.json
+++ b/src/Umbraco.Community.SimpleTrees.Client/package-lock.json
@@ -11,7 +11,7 @@
 				"@hey-api/openapi-ts": "^0.80.1",
 				"@umbraco-cms/backoffice": "^16.1.0",
 				"lit": "^3.3.1",
-				"typescript": "^5.8.3",
+				"typescript": "^5.9.2",
 				"vite": "^7.0.6"
 			}
 		},
@@ -3862,9 +3862,9 @@
 			"peer": true
 		},
 		"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/src/Umbraco.Community.SimpleTrees.Client/package.json b/src/Umbraco.Community.SimpleTrees.Client/package.json
index 23c0314..fbc3f97 100644
--- a/src/Umbraco.Community.SimpleTrees.Client/package.json
+++ b/src/Umbraco.Community.SimpleTrees.Client/package.json
@@ -13,7 +13,7 @@
 		"lit": "^3.3.1",
 		"@hey-api/openapi-ts": "^0.80.1",
 		"@umbraco-cms/backoffice": "^16.1.0",
-		"typescript": "^5.8.3",
+		"typescript": "^5.9.2",
 		"vite": "^7.0.6"
 	},
 	"volta": {