diff --git a/CoreStore.podspec b/CoreStore.podspec
index bc7fe3e..f974c56 100644
--- a/CoreStore.podspec
+++ b/CoreStore.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
     s.name = "CoreStore"
-    s.version = "4.0.0"
+    s.version = "4.0.0-beta"
     s.license = "MIT"
     s.summary = "Unleashing the real power of Core Data with the elegance and safety of Swift"
     s.homepage = "https://github.com/JohnEstropia/CoreStore"