lib/berkshelf/cached_cookbook.rb in berkshelf-7.0.7 vs lib/berkshelf/cached_cookbook.rb in berkshelf-7.0.8

@@ -92,10 +92,10 @@
 
     def <=>(other)
       [cookbook_name, version] <=> [other.cookbook_name, other.version]
     end
 
-    DIRNAME_REGEXP = /^(.+)-(.+)$/
+    DIRNAME_REGEXP = /^(.+)-(.+)$/.freeze
 
     extend Forwardable
 
     def_delegator :cookbook_version, :version
     def_delegator :metadata, :name, :cookbook_name