diff --git a/package.json b/package.json
index b0e9b644..7da03cb0 100644
--- a/package.json
+++ b/package.json
@@ -118,7 +118,7 @@
     "parcel": "2.7.0",
     "prettier": "2.7.1",
     "ts-jest": "27.1.5",
-    "typescript": "4.7.4"
+    "typescript": "4.8.4"
   },
   "dependencies": {
     "@msgpack/msgpack": "2.8.0",
diff --git a/yarn.lock b/yarn.lock
index a3d74334..b311c6fd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7150,10 +7150,10 @@ 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@4.8.4:
+  version "4.8.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.4.tgz#c464abca159669597be5f96b8943500b238e60e6"
+  integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==
 
 uint8arrays@^2.0.5:
   version "2.1.10"