diff --git a/package.json b/package.json
index 5399b71..57d88ec 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "standard-version": "^9.0.0",
     "testdouble": "^3.13.1",
     "testdouble-qunit": "^3.0.2",
-    "typescript": "^4.0.2"
+    "typescript": "^5.4.3"
   },
   "standard-version": {
     "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 68c4e44..2ed9ffb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4976,11 +4976,16 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^4.0.2, typescript@^4.1.3:
+typescript@^4.1.3:
   version "4.9.5"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
   integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
+typescript@^5.4.3:
+  version "5.4.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.3.tgz#5c6fedd4c87bee01cd7a528a30145521f8e0feff"
+  integrity sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==
+
 uglify-js@^3.1.4:
   version "3.13.5"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.13.5.tgz#5d71d6dbba64cf441f32929b1efce7365bb4f113"