autobuild.gemspec in autobuild-1.19.0 vs autobuild.gemspec in autobuild-1.20.0

@@ -31,6 +31,7 @@
     s.add_runtime_dependency "utilrb", "~> 3.0", ">= 3.0"
     s.add_development_dependency "fakefs"
     s.add_development_dependency "flexmock", '~> 2.0', ">= 2.0.0"
     s.add_development_dependency "minitest", "~> 5.0", ">= 5.0"
     s.add_development_dependency "simplecov"
+    s.add_development_dependency "timecop"
 end