diff --git a/.eslintrc.json b/.eslintrc.json
index b46b74b..4fc98d9 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -12,7 +12,7 @@
 		"es6": true
 	},
 	"rules": {
-		"arrow-spacing": ["warn", { "before": true, "after": true }],
+		"arrow-spacing": ["error", { "before": true, "after": true }],
 		"brace-style": ["error", "stroustrup", { "allowSingleLine": true }],
 		"comma-dangle": ["error", "always-multiline"],
 		"comma-spacing": "error",