diff --git a/tsconfig.json b/tsconfig.json
index 1bb6b0443..05acaaac8 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -30,7 +30,7 @@
     "strictNullChecks": true,
     "strictPropertyInitialization": true,
     "stripInternal": true,
-    "target": "es2015"
+    "target": "es2018"
   },
   "include": [
     "src/overrides/assets/javascripts",