diff --git a/package.json b/package.json
index 2b53157..98b52dc 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,6 @@
     "js-yaml": "^3.14.0",
     "prettier": "^2.0.5",
     "ts-jest": "^24.2.0",
-    "typescript": "^3.9.3"
+    "typescript": "^4.9.4"
   }
 }
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 9128007..37994c4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5709,10 +5709,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^3.9.3:
-  version "3.9.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
-  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
+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"