diff --git a/NBULog.podspec b/NBULog.podspec
index 06bff5b..beb90cf 100644
--- a/NBULog.podspec
+++ b/NBULog.podspec
@@ -20,7 +20,7 @@ Pod::Spec.new do |s|
     s.source_files  = 'Source/*.{h,m}'
     s.preserve_paths = "README.md", "NOTICE"
     
-    s.dependency 'CocoaLumberjack', '>= 2.0.0'
+    s.dependency 'CocoaLumberjack', '>= 2.3.0'
 
 end
 
diff --git a/README.md b/README.md
index 435f4d8..025f071 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ NBULog
 ======
 
 [![Platform: iOS/OSX](https://img.shields.io/cocoapods/p/NBULog.svg?style=flat)](http://cocoadocs.org/docsets/NBULog/)
-[![Version: 1.2.4](https://img.shields.io/cocoapods/v/NBULog.svg?style=flat)](http://cocoadocs.org/docsets/NBULog/)
+[![Version: 1.3.0](https://img.shields.io/cocoapods/v/NBULog.svg?style=flat)](http://cocoadocs.org/docsets/NBULog/)
 [![License: Apache 2.0](https://img.shields.io/cocoapods/l/NBULog.svg?style=flat)](http://cocoadocs.org/docsets/NBULog/)
 [![Dependency Status](https://www.versioneye.com/objective-c/NBULog/badge.svg?style=flat)](https://www.versioneye.com/objective-c/NBULog)
 [![Build Status](http://img.shields.io/travis/CyberAgent/NBULog/master.svg?style=flat)](https://travis-ci.org/CyberAgent/NBULog)