diff --git a/tslint.json b/tslint.json
index 56a49f0..050ac56 100644
--- a/tslint.json
+++ b/tslint.json
@@ -6,6 +6,7 @@
 		"indent": [true, "tabs"],
 		"semicolon": [true, "always", "ignore-interfaces"],
 		"quotemark": [true, "single", "avoid-escape"],
+		"only-arrow-functions": true,
 		"no-duplicate-variable": true,
 		"member-access": true,
 		"member-ordering": [