diff --git a/package-lock.json b/package-lock.json
index 45bcfdc..28462ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1656,9 +1656,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.2.tgz",
-      "integrity": "sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true
     },
     "vscode": {
diff --git a/package.json b/package.json
index 62de6f9..132cbc5 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
 		"mocha": "^7.1.2",
 		"tslint": "^6.1.2",
 		"typemoq": "^2.1.0",
-		"typescript": "^3.9.2",
+		"typescript": "^4.2.3",
 		"vscode": "^1.1.37"
 	},
 	"dependencies": {