diff --git a/hammer.mjs b/hammer.mjs
index 1326d21..065e032 100644
--- a/hammer.mjs
+++ b/hammer.mjs
@@ -32,7 +32,7 @@ export async function benchmark() {
 // Test
 // -------------------------------------------------------------------------------
 export async function test_typescript() {
-  for (const version of ['4.9.5', '5.0.4', '5.1.3', '5.1.6', '5.2.2', '5.3.2', '5.3.3', 'next', 'latest']) {
+  for (const version of ['4.9.5', '5.0.4', '5.1.3', '5.1.6', '5.2.2', '5.3.2', '5.3.3', '5.4.3', 'next', 'latest']) {
     await shell(`npm install typescript@${version} --no-save`)
     await test_static()
   }
diff --git a/package-lock.json b/package-lock.json
index 12bd658..9fb9432 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "ajv-formats": "^2.1.1",
         "mocha": "^9.2.2",
         "prettier": "^2.7.1",
-        "typescript": "^5.4.3"
+        "typescript": "^5.4.5"
       }
     },
     "node_modules/@andrewbranch/untar.js": {
@@ -1644,9 +1644,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
-      "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==",
+      "version": "5.4.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
+      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -2874,9 +2874,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "5.4.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
-      "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==",
+      "version": "5.4.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
+      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
       "dev": true
     },
     "undici-types": {
diff --git a/package.json b/package.json
index 469dd81..cf71e41 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,6 @@
     "ajv-formats": "^2.1.1",
     "mocha": "^9.2.2",
     "prettier": "^2.7.1",
-    "typescript": "^5.4.3"
+    "typescript": "^5.4.5"
   }
 }