diff --git a/package-lock.json b/package-lock.json
index 4f9c474..6f6f7f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-gen-uml",
-  "version": "2.1.3",
+  "version": "2.1.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -10146,9 +10146,9 @@
       }
     },
     "typescript": {
-      "version": "3.7.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.2.tgz",
-      "integrity": "sha512-ml7V7JfiN2Xwvcer+XAf2csGO1bPBdRbFCkYBczNZggrBZ9c7G3riSUeJmqEU5uOtXNPMhE3n+R4FA/3YOAWOQ=="
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA=="
     },
     "uglify-js": {
       "version": "3.14.1",
diff --git a/package.json b/package.json
index 5dc1638..3a42205 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@babel/types": "^7.14.5",
     "commander": "^8.1.0",
     "debug": "^4.3.1",
-    "typescript": "^3.7.2",
+    "typescript": "^4.3.5",
     "walk-sync": "^2.0.2"
   },
   "devDependencies": {