diff --git a/package.json b/package.json
index 88d044b..fd1bbd0 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
         "ts-jest": "^24.0.2",
         "ts-loader": "^6.0.4",
         "ts-node": "^8.3.0",
-        "typescript": "~3.5.3",
+        "typescript": "~4.1.2",
         "wait-on": "^3.1.0",
         "webpack": "^4.38.0",
         "webpack-cli": "^3.3.6",
diff --git a/yarn.lock b/yarn.lock
index 860b6c3..9ee649a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9188,10 +9188,10 @@ typescript-tuple@^2.2.1:
   dependencies:
     typescript-compare "^0.0.2"
 
-typescript@~3.5.3:
-  version "3.5.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
-  integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
+typescript@~4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.2.tgz#6369ef22516fe5e10304aae5a5c4862db55380e9"
+  integrity sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==
 
 uglify-js@3.4.x:
   version "3.4.10"