diff --git a/package.json b/package.json
index 24b3709..a042fed 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "sinon": "^11.1.2",
     "sinon-chai": "^3.7.0",
     "standard": "^16.0.3",
-    "typescript": "^4.3.4"
+    "typescript": "^4.9.4"
   },
   "repository": {
     "type": "git",
diff --git a/yarn.lock b/yarn.lock
index 087df08..49ba620 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4676,10 +4676,10 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
-typescript@^4.3.4:
-  version "4.4.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.4.tgz#2cd01a1a1f160704d3101fd5a58ff0f9fcb8030c"
-  integrity sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA==
+typescript@^4.9.4:
+  version "4.9.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.4.tgz#a2a3d2756c079abda241d75f149df9d561091e78"
+  integrity sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==
 
 unbox-primitive@^1.0.1:
   version "1.0.1"