diff --git a/app/tsconfig.json b/app/tsconfig.json
index e59724b..c133409 100644
--- a/app/tsconfig.json
+++ b/app/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es5",
+    "target": "ES2017",
     "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
     "skipLibCheck": true,