trema.gemspec in trema-0.3.16 vs trema.gemspec in trema-0.3.17

@@ -25,10 +25,11 @@
 
   gem.extra_rdoc_files = [ "README.md" ]
   gem.test_files = `git ls-files -- {spec,features}/*`.split( "\n" )
 
   gem.add_dependency "bundler"
-  gem.add_dependency "gli", "~> 2.5.4"
+  gem.add_dependency "gli", "~> 2.5.5"
+  gem.add_dependency "popen4", "~> 0.1.2"
   gem.add_dependency "rake", "~> 10.0.3"
   gem.add_dependency "rdoc", "~> 4.0.0"
 end