diff --git a/tsconfig.json b/tsconfig.json
index f1830d0f877e27efbe55a9f6aad87fde1e508a6a..6fa8435873e145685075f9d2bb13e97f8a49a8dc 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -10,7 +10,7 @@
     "experimentalDecorators": true,
     "moduleResolution": "node",
     "importHelpers": true,
-    "target": "es2015",
+    "target": "es5",
     "module": "es2020",
     "lib": ["es2018", "dom"]
   }