Freeze string for constant

exoego · exoego · commit 9426e6087d64 · 2022-11-08T17:32:04.000+09:00
diff --git a/lib/rspec/openapi/version.rb b/lib/rspec/openapi/version.rb
@@ -1,5 +1,5 @@
 module RSpec
   module OpenAPI
-    VERSION = '0.7.1'
+    VERSION = '0.7.1'.freeze
   end
 end
