diff --git a/package.json b/package.json
index a98be58..8d9fabd 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "@types/debug": "4.1.5",
     "@types/express": "4.17.11",
     "@types/node": "14.14.12",
-    "typescript": "3.9.5"
+    "typescript": "4.1.3"
   },
   "eslintConfig": {
     "extends": [
diff --git a/yarn.lock b/yarn.lock
index 6ee8340..e595ca1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1337,10 +1337,10 @@ type-is@~1.6.17, type-is@~1.6.18:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-typescript@3.9.5:
-  version "3.9.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.5.tgz#586f0dba300cde8be52dd1ac4f7e1009c1b13f36"
-  integrity sha512-hSAifV3k+i6lEoCJ2k6R2Z/rp/H3+8sdmcn5NrS3/3kE7+RyZXm9aqvxWqjEXHAd8b0pShatpcdMTvEdvAJltQ==
+typescript@4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
+  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
 
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"