diff --git a/package.json b/package.json
index 6cad784..098d814 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "ts-jest": "^27.0.0",
     "typedoc": "^0.22.10",
     "typedoc-plugin-merge-modules": "^3.1.0",
-    "typescript": "~4.8.0",
+    "typescript": "~4.9.3",
     "yarn": "^1.22.0"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index 3e2375b..9995522 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3894,10 +3894,10 @@ typedoc@^0.22.10:
     minimatch "^5.1.0"
     shiki "^0.10.1"
 
-typescript@~4.8.0:
-  version "4.8.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.2.tgz#e3b33d5ccfb5914e4eeab6699cf208adee3fd790"
-  integrity sha512-C0I1UsrrDHo2fYI5oaCGbSejwX4ch+9Y5jTQELvovfmFkK3HHSZJB8MSJcWLmCUBzQBchCrZ9rMRV6GuNrvGtw==
+typescript@~4.9.3:
+  version "4.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.3.tgz#3aea307c1746b8c384435d8ac36b8a2e580d85db"
+  integrity sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==
 
 universalify@^0.2.0:
   version "0.2.0"