diff --git a/package.json b/package.json
index ec75267..5538d0d 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "license": "MIT",
   "devDependencies": {
     "ajv": "^7.1.1",
-    "typescript": "^4.1.5"
+    "typescript": "^4.2.2"
   },
   "scripts": {
     "build": "npx tsc",
diff --git a/yarn.lock b/yarn.lock
index 79246cc..daa67f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -32,10 +32,10 @@ require-from-string@^2.0.2:
   resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.2.tgz#89a7fdd938261267318eafe14f9c32e598c36909"
   integrity sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==
 
-typescript@^4.1.5:
-  version "4.1.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.5.tgz#123a3b214aaff3be32926f0d8f1f6e704eb89a72"
-  integrity sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==
+typescript@^4.2.2:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.2.tgz#1450f020618f872db0ea17317d16d8da8ddb8c4c"
+  integrity sha512-tbb+NVrLfnsJy3M59lsDgrzWIflR4d4TIUjz+heUnHZwdF7YsrMTKoRERiIvI2lvBG95dfpLxB21WZhys1bgaQ==
 
 uri-js@^4.2.2:
   version "4.4.1"