diff --git a/test-app/package-lock.json b/test-app/package-lock.json
index 50d08b77..df9ce40a 100644
--- a/test-app/package-lock.json
+++ b/test-app/package-lock.json
@@ -1936,9 +1936,9 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "typescript": {
-      "version": "3.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.5.tgz",
-      "integrity": "sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw=="
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.2.tgz",
+      "integrity": "sha512-ml7V7JfiN2Xwvcer+XAf2csGO1bPBdRbFCkYBczNZggrBZ9c7G3riSUeJmqEU5uOtXNPMhE3n+R4FA/3YOAWOQ=="
     },
     "unique-filename": {
       "version": "1.1.1",
diff --git a/test-app/package.json b/test-app/package.json
index d41558e9..c0078632 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -22,7 +22,7 @@
     "@dojo/framework": "^6.0.0",
     "@fortawesome/fontawesome-free": "5.3.1",
     "tslib": "~1.9.1",
-    "typescript": "~3.4.5"
+    "typescript": "~3.7.2"
   },
   "devDependencies": {
     "shx": "0.2.2"