Advance objective c version to v1.0.2
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index b81b2ea..d49addb 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -35,7 +35,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-Core'
-  version = '1.0.1'
+  version = '1.0.2'
   s.version  = version
   s.summary  = 'Core cross-platform gRPC library, written in C'
   s.homepage = 'http://www.grpc.io'
@@ -44,7 +44,9 @@
 
   s.source = {
     :git => 'https://github.com/grpc/grpc.git',
-    :tag => "v#{version}",
+    # TODO(mxyan): Change back to "v#{version}" for next release
+    #:tag => "v#{version}",
+    :tag => "objective-c-v#{version}",
     # TODO(jcanizales): Depend explicitly on the nanopb pod, and disable submodules.
     :submodules => true,
   }