diff --git a/package-lock.json b/package-lock.json
index 602ce72..680624b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3314,9 +3314,9 @@
 			}
 		},
 		"typescript": {
-			"version": "3.6.3",
-			"resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.3.tgz",
-			"integrity": "sha512-N7bceJL1CtRQ2RiG0AQME13ksR7DiuQh/QehubYcghzv20tnh+MQnQIuJddTmsbqYj+dztchykemz0zFzlvdQw==",
+			"version": "4.3.5",
+			"resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+			"integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
 			"dev": true
 		},
 		"uid2": {
diff --git a/package.json b/package.json
index 4f186dd..94126d3 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,6 @@
 		"@types/ffmpeg-static": "^2.0.0",
 		"@types/node": "^12.6.8",
 		"ava": "^2.2.0",
-		"typescript": "^3.5.3"
+		"typescript": "^4.3.5"
 	}
 }