diff --git a/package.json b/package.json
index dae0632..2da35f6 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "devDependencies": {
     "@types/node": "^14.11.7",
     "tslint": "^6.1.3",
-    "typescript": "^4.0.3"
+    "typescript": "^4.8.4"
   },
   "scripts": {
     "build": "tsc"
diff --git a/yarn.lock b/yarn.lock
index 6bcb5f4..d7fbb56 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -255,10 +255,10 @@ tsutils@^2.29.0:
   dependencies:
     tslib "^1.8.1"
 
-typescript@^4.0.3:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.3.tgz#153bbd468ef07725c1df9c77e8b453f8d36abba5"
-  integrity sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==
+typescript@^4.8.4:
+  version "4.8.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.4.tgz#c464abca159669597be5f96b8943500b238e60e6"
+  integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==
 
 wrappy@1:
   version "1.0.2"