diff --git a/CardParts.podspec b/CardParts.podspec
index 7d3d545..d1e382c 100644
--- a/CardParts.podspec
+++ b/CardParts.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'CardParts'
-  s.version          = '3.5.1'
+  s.version          = '4.0.0'
   s.platform         = :ios
   s.summary          = 'iOS Card UI framework.'