Freeze Rack::VERSION (#1726)

rack · Dec 27, 2020 · 8d2e02a · 8d2e02a
1 parent 1970771
commit 8d2e02a
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/rack/version.rb b/lib/rack/version.rb
@@ -13,11 +13,12 @@
 
 module Rack
   # The Rack protocol version number implemented.
-  VERSION = [1, 3]
+  VERSION = [1, 3].freeze
+  VERSION_STRING = VERSION.join(".").freeze
 
   # Return the Rack protocol version as a dotted string.
   def self.version
-    VERSION.join(".")
+    VERSION_STRING
   end
 
   RELEASE = "2.3.0"