diff --git a/package.json b/package.json
index 5deb7c0..65611af 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "solhint-plugin-prettier": "0.0.5",
     "ts-node": "10.9.1",
     "typechain": "7.0.1",
-    "typescript": "4.8.4"
+    "typescript": "4.9.3"
   },
   "license": "MIT",
   "repository": {
diff --git a/yarn.lock b/yarn.lock
index e2136b5..8c1e7d3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9115,10 +9115,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-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==
+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==
 
 typewise-core@^1.2, typewise-core@^1.2.0:
   version "1.2.0"