diff --git a/.swiftlint.yml b/.swiftlint.yml
index ecb6b36..e4675a8 100644
--- a/.swiftlint.yml
+++ b/.swiftlint.yml
@@ -10,6 +10,6 @@ type_name:
 
 identifier_name:
   min_length: 2
-  allowed_symbols: ['_']
+  allowed_symbols: ['$', '_']
   excluded:
     - id