diff --git a/Rakefile b/Rakefile
index 8a34fa33..69bee7b5 100644
--- a/Rakefile
+++ b/Rakefile
@@ -11,11 +11,11 @@ rescue LoadError, RuntimeError
 end
 
 BASE_DIR = File.expand_path(File.dirname(__FILE__))
+GEMSPEC_PATH = File.join(BASE_DIR, 'tzinfo.gemspec')
+spec = TOPLEVEL_BINDING.eval(File.read(GEMSPEC_PATH), GEMSPEC_PATH)
 
 task default: [:test]
 
-spec = eval(File.read('tzinfo.gemspec'))
-
 class TZInfoPackageTask < Gem::PackageTask
   alias_method :orig_sh, :sh
   private :orig_sh