diff --git a/package.json b/package.json
index cbcf100..0057f00 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "standard-version": "^9.3.0",
     "ts-jest": "^27.0.2",
     "tslint": "^6.1.3",
-    "typescript": "~4.3.2"
+    "typescript": "~4.9.4"
   },
   "greenkeeper": {
     "ignore": [
diff --git a/yarn.lock b/yarn.lock
index c16d79a..3fce41d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4930,10 +4930,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@~4.3.2:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.2.tgz#399ab18aac45802d6f2498de5054fcbbe716a805"
-  integrity sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==
+typescript@~4.9.4:
+  version "4.9.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.4.tgz#a2a3d2756c079abda241d75f149df9d561091e78"
+  integrity sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==
 
 uglify-js@^3.1.4:
   version "3.13.8"