diff --git a/PromiseKit-AFNetworking.podspec b/PromiseKit-AFNetworking.podspec
index e45a1bf..6340196 100644
--- a/PromiseKit-AFNetworking.podspec
+++ b/PromiseKit-AFNetworking.podspec
@@ -17,6 +17,6 @@ Pod::Spec.new do |s|
   s.osx.deployment_target = '10.9'
   
   s.dependency 'AFNetworking', '~> 3.1.0'
-  s.dependency 'PromiseKit/CorePromise', '~> 3.0'
-    
+  s.dependency 'PromiseKit/CorePromise', '~> 4.0'
+
 end