diff --git a/index.js b/index.js
index ddd7af5..01ab5b8 100644
--- a/index.js
+++ b/index.js
@@ -90,6 +90,10 @@ module.exports = {
 			'property'
 		],
 		eqeqeq: 'error',
+		'grouped-accessor-pairs': [
+			'error',
+			'getBeforeSet'
+		],
 		'guard-for-in': 'error',
 		'no-alert': 'error',
 		'no-caller': 'error',
diff --git a/package.json b/package.json
index 47d5637..a680e16 100644
--- a/package.json
+++ b/package.json
@@ -54,11 +54,11 @@
 	},
 	"devDependencies": {
 		"ava": "^2.3.0",
-		"eslint": "^6.4.0",
+		"eslint": "^6.7.0",
 		"is-plain-obj": "^2.0.0",
 		"temp-write": "^4.0.0"
 	},
 	"peerDependencies": {
-		"eslint": ">=6.4.0"
+		"eslint": ">=6.7.0"
 	}
 }