diff --git a/tsconfig.json b/tsconfig.json
index 6366d5f..db1158f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es6",
+    "target": "es5",
     "module": "commonjs",
     "allowJs": true,
     "checkJs": false,
@@ -13,4 +13,4 @@
   },
   "include": ["*.ts"],
   "exclude": ["node_modules", "*/Tests.ts"]
-}
\ No newline at end of file
+}