diff --git a/package.json b/package.json
index 20e212a..493d2ef 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "ts-loader": "^5.3.1",
     "tslint": "~5.7.0",
     "tslint-config-prettier": "~1.9.0",
-    "typescript": "~3.1.2",
+    "typescript": "~4.3.4",
     "webpack": "^5.9.0",
     "webpack-cli": "^3.3.12"
   },
diff --git a/yarn.lock b/yarn.lock
index 3666677..32f7209 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2575,10 +2575,10 @@ tsutils@^2.8.1:
   dependencies:
     tslib "^1.8.1"
 
-typescript@~3.1.2:
-  version "3.1.6"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.1.6.tgz#b6543a83cfc8c2befb3f4c8fba6896f5b0c9be68"
-  integrity sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA==
+typescript@~4.3.4:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.4.tgz#3f85b986945bcf31071decdd96cf8bfa65f9dcbc"
+  integrity sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==
 
 union-value@^1.0.0:
   version "1.0.0"