diff --git a/CHANGELOG.md b/CHANGELOG.md
index 375b4bb..28db8b0 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # ZFRippleButton CHANGELOG
 
+## 0.5
+
+- fix type cannot not found when using with cocoapods (#17)
+- fix missing some initializer
+
 ## 0.4
 
 - add option to custom touch up animation time, thanks @ronaldmak (#14)
diff --git a/ZFRippleButton.podspec b/ZFRippleButton.podspec
index cccf030..9dbf97f 100755
--- a/ZFRippleButton.podspec
+++ b/ZFRippleButton.podspec
@@ -9,7 +9,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "ZFRippleButton"
-  s.version          = "0.4"
+  s.version          = "0.5"
   s.summary          = "Custom UIButton effect inspired by Google Material Design"
   s.homepage         = "https://github.com/zoonooz/ZFRippleButton"
   s.license          = 'MIT'