diff --git a/package.json b/package.json
index aa9e78d..5d9bdc2 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "lint-staged": "10.5.1",
     "prettier": "2.1.2",
     "rimraf": "3.0.2",
-    "typescript": "3.9.7"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "@typed/prelude": "6.0.0",
diff --git a/yarn.lock b/yarn.lock
index c3258f0..7f0a757 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4719,7 +4719,12 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@3.9.7, typescript@^3.2.4:
+typescript@5.9.3:
+  version "5.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
+  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
+
+typescript@^3.2.4:
   version "3.9.7"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
   integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==