diff --git a/PYPhotoBrowser.podspec b/PYPhotoBrowser.podspec
index 2ff3c65..87449a5 100644
--- a/PYPhotoBrowser.podspec
+++ b/PYPhotoBrowser.podspec
@@ -1,12 +1,12 @@
 Pod::Spec.new do |s|
     s.name         = 'PYPhotoBrowser'
-    s.version      = '1.5.5'
+    s.version      = '1.5.6'
     s.summary      = 'An easy way to browse photo(image) for iOS.'
     s.homepage     = 'https://github.com/iphone5solo/PYPhotoBrowser'
     s.license      = 'MIT'
     s.authors      = {'CoderKo1o' => '499491531@qq.com'}
     s.platform     = :ios, '7.0'
-    s.dependency "SDWebImage/GIF", "~> 4.1.0"
+    s.dependency "SDWebImage/GIF", "~> 4.2.1"
     s.dependency "MBProgressHUD"
     s.dependency "DACircularProgress"
     s.source       = {:git => 'https://github.com/iphone5solo/PYPhotoBrowser.git', :tag => s.version}