diff --git a/.eslintrc.json b/.eslintrc.json
index e64f9ff..157265e 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -6,13 +6,15 @@
 	},
 	"extends": ["eslint-config-airbnb-base", "plugin:prettier/recommended"],
 	"rules": {
+		"max-classes-per-file": 1,
 		"no-empty": [
 			2,
 			{
 				"allowEmptyCatch": true
 			}
 		],
-		"no-underscore-dangle": "off",
-		"no-shadow": "off"
+		"no-promise-executor-return": 1,
+		"no-shadow": "off",
+		"no-underscore-dangle": "off"
 	}
 }