diff --git a/package.json b/package.json
index 54e55aac..c52db7b6 100644
--- a/package.json
+++ b/package.json
@@ -120,7 +120,7 @@
     "prettier": "2.8.8",
     "process": "0.11.10",
     "ts-jest": "27.1.5",
-    "typescript": "4.7.4"
+    "typescript": "4.9.5"
   },
   "dependencies": {
     "@msgpack/msgpack": "2.8.0",
diff --git a/yarn.lock b/yarn.lock
index 1b6f38a9..22117e75 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7354,10 +7354,10 @@ 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==
 
 uint8arrays@^2.0.5:
   version "2.1.10"