diff --git a/package-lock.json b/package-lock.json
index 70d1779..3b40183 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
 				"markdownlint-cli2": "^0.11.0",
 				"markdownlint-config-neoncitylights": "^0.3.0",
 				"publint": "^0.2.7",
-				"typescript": "5.3.3",
+				"typescript": "5.8.3",
 				"vite": "^5.0.12",
 				"vite-plugin-dts": "^3.7.0",
 				"vitest": "^1.1.1"
@@ -650,6 +650,20 @@
 				"@rushstack/node-core-library": "3.62.0"
 			}
 		},
+		"node_modules/@microsoft/api-extractor/node_modules/typescript": {
+			"version": "5.3.3",
+			"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
+			"integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"bin": {
+				"tsc": "bin/tsc",
+				"tsserver": "bin/tsserver"
+			},
+			"engines": {
+				"node": ">=14.17"
+			}
+		},
 		"node_modules/@microsoft/tsdoc": {
 			"version": "0.14.2",
 			"resolved": "https://registry.npmjs.org/@microsoft/tsdoc/-/tsdoc-0.14.2.tgz",
@@ -6420,10 +6434,11 @@
 			}
 		},
 		"node_modules/typescript": {
-			"version": "5.3.3",
-			"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-			"integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+			"version": "5.8.3",
+			"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
+			"integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
 			"dev": true,
+			"license": "Apache-2.0",
 			"bin": {
 				"tsc": "bin/tsc",
 				"tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 8c05eeb..3074333 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
 		"markdownlint-cli2": "^0.11.0",
 		"markdownlint-config-neoncitylights": "^0.3.0",
 		"publint": "^0.2.7",
-		"typescript": "5.3.3",
+		"typescript": "5.8.3",
 		"vite": "^5.0.12",
 		"vite-plugin-dts": "^3.7.0",
 		"vitest": "^1.1.1"