diff --git a/NCMB.podspec b/NCMB.podspec
index ed17bea7..473b9fb8 100644
--- a/NCMB.podspec
+++ b/NCMB.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "NCMB"
-  s.version      = "2.3.51"
+  s.version      = "2.3.52"
   s.summary      = "NCMB is SDK for NIFTY Cloud mobile backend."
   s.description  = <<-DESC
                    NCMB is SDK for NIFTY Cloud mobile backend.
@@ -15,7 +15,7 @@ Pod::Spec.new do |s|
   s.license      = "Apache License, Version 2.0"
   s.author             = "NIFTY Corporation"
   s.platform     = :ios, "5.1"
-  s.source       = { :git => 'https://github.com/phisz/ncmb_ios.git', :tag => '2.3.51' }
+  s.source       = { :git => 'https://github.com/phisz/ncmb_ios.git', :tag => '2.3.52' }
   s.source_files  = "NCMB/**/*.{h,m,c}"
   s.frameworks = "Foundation", "UIKit", "MobileCoreServices", "AudioToolbox", "SystemConfiguration"
   s.requires_arc = true