diff --git a/Sync.podspec b/Sync.podspec
index c35f4839..8f111b55 100755
--- a/Sync.podspec
+++ b/Sync.podspec
@@ -25,7 +25,7 @@ s.source_files = 'Source/**/*'
 s.frameworks = 'Foundation', 'CoreData'
 
 s.dependency 'DATAFilter', '~> 0.9.1'
-s.dependency 'DATAStack', '~> 4.0.2'
+s.dependency 'DATAStack', '~> 4.0.3'
 s.dependency 'NSDictionary-ANDYSafeValue', '~> 0.3.1'
 s.dependency 'NSEntityDescription-SYNCPrimaryKey', '~> 0.1.1'
 s.dependency 'NSManagedObject-HYPPropertyMapper', '~> 3.3.3'