diff --git a/GoogleDataTransport.podspec b/GoogleDataTransport.podspec
index a9e0eba..c7be6ba 100644
--- a/GoogleDataTransport.podspec
+++ b/GoogleDataTransport.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'GoogleDataTransport'
-  s.version          = '5.1.0'
+  s.version          = '5.1.1'
   s.summary          = 'Google iOS SDK data transport.'
 
   s.description      = <<-DESC