diff --git a/EasyMapping.podspec b/EasyMapping.podspec
index dbbc6e1..070b77f 100644
--- a/EasyMapping.podspec
+++ b/EasyMapping.podspec
@@ -16,14 +16,18 @@ Pod::Spec.new do |s|
 
   s.ios.deployment_target = '5.0'
   s.osx.deployment_target = '10.7'
-  s.watchos.deployment_target = '2.0'
 
   s.subspec 'Core' do |core|
+    core.watchos.deployment_target = '2.0'
+    core.ios.deployment_target = '5.0'
+    core.osx.deployment_target = '10.7'
     core.frameworks = 'CoreData'
     core.source_files = 'EasyMapping/*.{h,m}'
   end
 
   s.subspec 'XCTest' do |xctest|
+    xctest.ios.deployment_target = '5.0'
+    xctest.osx.deployment_target = '10.7'
     xctest.dependency 'EasyMapping/Core'
     xctest.frameworks = 'XCTest'
     xctest.source_files = 'XCTest+EasyMapping/*.{h,m}'