diff --git a/package.json b/package.json
index 0640e27..4485266 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "eslint-config-posva": "^3.0.3",
     "faked-promise": "^2.2.2",
     "jest": "^27.5.1",
-    "typescript": "^4.7.4"
+    "typescript": "^4.9.5"
   },
   "jest": {
     "testMatch": [
diff --git a/yarn.lock b/yarn.lock
index 2c830c9..e0ef3e4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3559,10 +3559,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^4.7.4:
-  version "4.7.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.7.4.tgz#1a88596d1cf47d59507a1bcdfb5b9dfe4d488235"
-  integrity sha512-C0WQT0gezHuw6AdY1M2jxUO83Rjf0HP7Sk1DtXj6j1EwkQNZrHAg2XPWlq62oqEhYvONq5pkC2Y9oPljWToLmQ==
+typescript@^4.9.5:
+  version "4.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
+  integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
 unbox-primitive@^1.0.1:
   version "1.0.1"