diff --git a/.eslintrc.json b/.eslintrc.json
index 41bfff8..0e886fb 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -11,7 +11,7 @@
     "SharedArrayBuffer": "readonly"
   },
   "parserOptions": {
-    "ecmaVersion": 2018
+    "ecmaVersion": 2020
   },
   "rules": {
     "indent": [