diff --git a/app/utils/cli-install.ts b/app/utils/cli-install.ts
index e9f20ef4..4a5cfd0d 100644
--- a/app/utils/cli-install.ts
+++ b/app/utils/cli-install.ts
@@ -40,7 +40,7 @@ const addSymlink = () => {
 };
 
 const addBinToUserPath = () => {
-  return new Promise((resolve, reject) => {
+  return new Promise<void>((resolve, reject) => {
     try {
       const envKey = Registry.openKey(Registry.HKCU, 'Environment', Registry.Access.ALL_ACCESS)!;
 
diff --git a/package.json b/package.json
index 5dd5fe17..85b3918f 100644
--- a/package.json
+++ b/package.json
@@ -122,7 +122,7 @@
     "terser": "5.5.0",
     "terser-webpack-plugin": "4.2.3",
     "ts-node": "9.0.0",
-    "typescript": "4.0.5",
+    "typescript": "4.1.2",
     "webpack": "4.44.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index bd217e92..035f08f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8059,10 +8059,10 @@ typedarray@^0.0.6:
   resolved "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@4.0.5:
-  version "4.0.5"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
-  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
+typescript@4.1.2:
+  version "4.1.2"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz#6369ef22516fe5e10304aae5a5c4862db55380e9"
+  integrity sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==
 
 typical@^5.0.0, typical@^5.2.0:
   version "5.2.0"