diff --git a/package/package.json b/package/package.json
index f0461f2..f868eea 100644
--- a/package/package.json
+++ b/package/package.json
@@ -68,7 +68,7 @@
     "rollup-plugin-peer-deps-external": "^2.2.0",
     "rollup-plugin-typescript2": "^0.17.0",
     "rollup-plugin-url": "^3.0.1",
-    "typescript": "^3.7.5"
+    "typescript": "^4.1.2"
   },
   "dependencies": {},
   "keywords": [
diff --git a/package/yarn.lock b/package/yarn.lock
index f431de4..bdc9a5e 100644
--- a/package/yarn.lock
+++ b/package/yarn.lock
@@ -10918,10 +10918,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.7.5:
-  version "3.9.7"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
-  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+typescript@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.2.tgz#6369ef22516fe5e10304aae5a5c4862db55380e9"
+  integrity sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"