diff --git a/package.json b/package.json
index 3ffb1d8..5ce8f68 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,6 @@
     "js-yaml": "^3.14.0",
     "prettier": "^2.1.2",
     "ts-jest": "^26.4.4",
-    "typescript": "^4.0.5"
+    "typescript": "^4.9.4"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 786ff96..72f167d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4655,10 +4655,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^4.0.5:
-  version "4.0.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
-  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
+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==
 
 union-value@^1.0.0:
   version "1.0.1"