diff --git a/openim_sdk_core_ios.podspec b/openim_sdk_core_ios.podspec
index 9be8392..0344fee 100644
--- a/openim_sdk_core_ios.podspec
+++ b/openim_sdk_core_ios.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'openim_sdk_core_ios'
-  s.version          = '0.3.0'
+  s.version          = '0.4.0'
   s.summary          = 'A short description of openim_sdk_core_ios.'
 
 # This description is used to generate tags and improve search results.