hogan_assets.gemspec in hogan_assets-1.3.4 vs hogan_assets.gemspec in hogan_assets-1.4.0

@@ -18,6 +18,7 @@
   gem.add_runtime_dependency "execjs", ">= 1.2.9"
   gem.add_runtime_dependency "tilt", ">= 1.3.3"
   gem.add_runtime_dependency "sprockets", ">= 2.0.3"
 
   gem.add_development_dependency "haml"
+  gem.add_development_dependency "slim"
 end