diff --git a/AFNetworking-RACExtensions.podspec b/AFNetworking-RACExtensions.podspec
index c91bf7c..861a6e4 100644
--- a/AFNetworking-RACExtensions.podspec
+++ b/AFNetworking-RACExtensions.podspec
@@ -8,8 +8,23 @@ Pod::Spec.new do |s|
   s.source       = { :git => "https://github.com/CodaFi/AFNetworking-RACExtensions.git", :tag => "#{s.version}" }
   s.ios.deployment_target = '6.0'
   s.osx.deployment_target = '10.8'
-  s.source_files = 'RACAFNetworking'
   s.requires_arc = true
-  s.dependency 'AFNetworking', '~> 2.0'
-  s.dependency 'ReactiveCocoa', '~> 2.0'
+  s.default_subspecs = 'NSURLConnection', 'NSURLSession'
+
+  s.subspec 'ExperimentalProgressCallbacks' do |ss|
+    ss.dependency 'ReactiveCocoa/Core', '~> 2.0'
+    ss.source_files = 'RACAFNetworking/RACSubscriber+AFProgressCallbacks.{h,m}'
+  end
+
+  s.subspec 'NSURLConnection' do |ss|
+    ss.dependency 'AFNetworking/NSURLConnection', '~> 2.0'
+    ss.dependency 'ReactiveCocoa/Core', '~> 2.0'
+    ss.source_files = 'RACAFNetworking/AFURLConnectionOperation+RACSupport.{h,m}', 'RACAFNetworking/AFHTTPRequestOperationManager+RACSupport.{h,m}'
+  end
+
+  s.subspec 'NSURLSession' do |ss|
+    ss.dependency 'AFNetworking/NSURLSession', '~> 2.0'
+    ss.dependency 'ReactiveCocoa/Core', '~> 2.0'
+    ss.source_files = 'RACAFNetworking/AFHTTPSessionManager+RACSupport.{h,m}'
+  end
 end