lib/scss_lint/utils.rb in scss_lint-0.57.1 vs lib/scss_lint/utils.rb in scss_lint-0.58.0

@@ -1,8 +1,8 @@
 module SCSSLint
   # Collection of helpers used across a variety of linters.
   module Utils
-    COLOR_REGEX = /^#[a-f0-9]{3,6}$/i
+    COLOR_REGEX = /^#[a-f0-9]{3,6}$/i.freeze
 
     # Returns whether the given string is a color literal (keyword or hex code).
     #
     # @param string [String]
     # @return [true,false]