diff --git a/package-lock.json b/package-lock.json
index 4527fcd..1c9d23f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2153,9 +2153,9 @@
             "dev": true
         },
         "typescript": {
-            "version": "3.1.6",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.1.6.tgz",
-            "integrity": "sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA==",
+            "version": "4.0.2",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.2.tgz",
+            "integrity": "sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==",
             "dev": true
         },
         "unc-path-regex": {
diff --git a/package.json b/package.json
index 288a31c..f5a4577 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
         "test"              : "npm run compile && node ./node_modules/vscode/bin/test"
     },
     "devDependencies": {
-        "typescript"   : "^3.1.6",
+        "typescript"   : "^4.0.2",
         "vscode"       : "^1.1.21",
         "@types/node"  : "^10.12.10",
         "@types/mocha" : "^5.2.5"