contentful_middleman.gemspec in contentful_middleman-3.0.1 vs contentful_middleman.gemspec in contentful_middleman-4.0.0

@@ -17,10 +17,11 @@
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
   # The version of middleman-core your extension depends on
-  s.add_dependency("middleman-core", ["~> 3.4"])
+  s.add_dependency("middleman-core", ["~> 4.0"])
+  s.add_dependency("middleman-cli", ["~> 4.0"])
 
   # Additional dependencies
   s.add_dependency("contentful", '~> 2.1')
   s.add_dependency("contentful-webhook-listener", '~> 0.1')