diff --git a/package.json b/package.json
index 97856f08..039123d1 100644
--- a/package.json
+++ b/package.json
@@ -105,7 +105,7 @@
     "tsconfig-paths": "^3.7.0",
     "tsconfig-paths-webpack-plugin": "^3.2.0",
     "twilio": "^3.23.2",
-    "typescript": "^3.9.9",
+    "typescript": "^4.3.5",
     "vm2": "^3.6.6",
     "vue": "^2.5.17",
     "vue-server-renderer": "^2.5.17",
diff --git a/yarn.lock b/yarn.lock
index bd630be3..dad21f82 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14718,10 +14718,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.9.9:
-  version "3.9.9"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.9.tgz#e69905c54bc0681d0518bd4d587cc6f2d0b1a674"
-  integrity sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==
+typescript@^4.3.5:
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.5.tgz#4d1c37cc16e893973c45a06886b7113234f119f4"
+  integrity sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==
 
 uglify-es@^3.3.9:
   version "3.3.9"