diff --git a/tslint.json b/tslint.json
index 554118f..e832f6f 100644
--- a/tslint.json
+++ b/tslint.json
@@ -172,6 +172,7 @@
     "prefer-for-of": true,
     "match-default-export-name": true,
     "prefer-const": true,
+    "prefer-method-signature": true,
     "ban-types": [
       true,
       [