diff --git a/demo-angular/package-lock.json b/demo-angular/package-lock.json
index 6410a1d..4984db1 100644
--- a/demo-angular/package-lock.json
+++ b/demo-angular/package-lock.json
@@ -6237,9 +6237,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.3.tgz",
-      "integrity": "sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==",
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
+      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
       "dev": true
     },
     "union-value": {
diff --git a/demo-angular/package.json b/demo-angular/package.json
index 7cc6373..d44def6 100644
--- a/demo-angular/package.json
+++ b/demo-angular/package.json
@@ -32,6 +32,6 @@
     "@angular/compiler-cli": "~8.2.14",
     "@ngtools/webpack": "~9.0.4",
     "nativescript-dev-webpack": "~1.5.0",
-    "typescript": "3.5.3"
+    "typescript": "3.8.3"
   }
 }