diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index b8dd2a7e331..1ca8119a109 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -35,7 +35,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-Core'
-  version = '1.0.0'
+  version = '1.0.1-pre1'
   s.version  = version
   s.summary  = 'Core cross-platform gRPC library, written in C'
   s.homepage = 'http://www.grpc.io'
diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
index f6426fb4deb..186a8665605 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -30,7 +30,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-ProtoRPC'
-  version = '1.0.0'
+  version = '1.0.1-pre1'
   s.version  = version
   s.summary  = 'RPC library for Protocol Buffers, based on gRPC'
   s.homepage = 'http://www.grpc.io'
diff --git a/gRPC-RxLibrary.podspec b/gRPC-RxLibrary.podspec
index 316843436ba..59ecb8232d8 100644
--- a/gRPC-RxLibrary.podspec
+++ b/gRPC-RxLibrary.podspec
@@ -30,7 +30,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-RxLibrary'
-  version = '1.0.0'
+  version = '1.0.1-pre1'
   s.version  = version
   s.summary  = 'Reactive Extensions library for iOS/OSX.'
   s.homepage = 'http://www.grpc.io'
diff --git a/gRPC.podspec b/gRPC.podspec
index 9a479349531..a326d814018 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -30,7 +30,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC'
-  version = '1.0.0'
+  version = '1.0.1-pre1'
   s.version  = version
   s.summary  = 'gRPC client library for iOS/OSX'
   s.homepage = 'http://www.grpc.io'
diff --git a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
index 0c3c3216abe..3ec4a313e88 100644
--- a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
@@ -36,7 +36,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler-gRPCPlugin'
-  v = '1.0.0'
+  v = '1.0.1-pre1'
   s.version  = v
   s.summary  = 'The gRPC ProtoC plugin generates Objective-C files from .proto services.'
   s.description = <<-DESC
diff --git a/src/objective-c/CronetFramework.podspec b/src/objective-c/CronetFramework.podspec
index 3ebcacf0554..fe46d32c1be 100644
--- a/src/objective-c/CronetFramework.podspec
+++ b/src/objective-c/CronetFramework.podspec
@@ -30,7 +30,7 @@
 
 Pod::Spec.new do |s|
   s.name         = "CronetFramework"
-  s.version      = "0.0.2"
+  s.version      = "0.0.3"
   s.summary      = "Cronet, precompiled and used as a framework."
   s.homepage     = "http://chromium.org"
   s.license      = { :type => 'BSD' }
diff --git a/templates/gRPC-Core.podspec.template b/templates/gRPC-Core.podspec.template
index 7d735d3aca5..dff7ce07d6d 100644
--- a/templates/gRPC-Core.podspec.template
+++ b/templates/gRPC-Core.podspec.template
@@ -62,7 +62,7 @@
   %>
   Pod::Spec.new do |s|
     s.name     = 'gRPC-Core'
-    version = '1.0.0'
+    version = '1.0.1-pre1'
     s.version  = version
     s.summary  = 'Core cross-platform gRPC library, written in C'
     s.homepage = 'http://www.grpc.io'