diff --git a/tsconfig.json b/tsconfig.json
index f434e8e335..d662551ca7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,12 +9,13 @@
     "strict": true,
     "esModuleInterop": true,
     "module": "es6",
-    "target": "es6",
+    "target": "es5",
     "lib": ["esnext", "dom"],
     "moduleResolution": "node",
     "jsx": "react",
     "allowJs": false,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "downlevelIteration": true
   },
   "include": ["src/**/*"],
   "exclude": ["**/*.test.*"]