diff --git a/patchfile.gemspec b/patchfile.gemspec
index def84ea..156b6c7 100644
--- a/patchfile.gemspec
+++ b/patchfile.gemspec
@@ -14,7 +14,7 @@ end
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
   s.name        = "patchfile"
-  s.version     = patchfile::VERSION
+  s.version     = Patchfile::VERSION
   s.authors     = ["RulingDigital"]
   s.email       = ["naruto0426@rulingcom.com"]
   s.homepage    = "http://www.rulingcom.com"