diff --git a/examples/objective-c/auth_sample/AuthTestService.podspec b/examples/objective-c/auth_sample/AuthTestService.podspec
index 9521d4971a8a4dd2713f2585b18648304e5f8141..e9356260534f139be177a0932e13fa4f7952aa85 100644
--- a/examples/objective-c/auth_sample/AuthTestService.podspec
+++ b/examples/objective-c/auth_sample/AuthTestService.podspec
@@ -29,7 +29,7 @@ Pod::Spec.new do |s|
     ss.source_files = "#{dir}/*.pbrpc.{h,m}", "#{dir}/**/*.pbrpc.{h,m}"
     ss.header_mappings_dir = dir
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.11"
+    ss.dependency "gRPC", "~> 0.12"
     ss.dependency "#{s.name}/Messages"
   end
 end
diff --git a/examples/objective-c/helloworld/HelloWorld.podspec b/examples/objective-c/helloworld/HelloWorld.podspec
index 600898f976e908dd73b5130e16cee37256b86411..bdf782f6eaffcac64734bcc7b56d7d543f5d15d0 100644
--- a/examples/objective-c/helloworld/HelloWorld.podspec
+++ b/examples/objective-c/helloworld/HelloWorld.podspec
@@ -29,7 +29,7 @@ Pod::Spec.new do |s|
     ss.source_files = "#{dir}/*.pbrpc.{h,m}", "#{dir}/**/*.pbrpc.{h,m}"
     ss.header_mappings_dir = dir
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.11"
+    ss.dependency "gRPC", "~> 0.12"
     ss.dependency "#{s.name}/Messages"
   end
 end
diff --git a/examples/objective-c/route_guide/RouteGuide.podspec b/examples/objective-c/route_guide/RouteGuide.podspec
index e00f827e3a483e8671584356d9b7a2e27e2288ba..4bc2c42cbb829f228ff10232016aa40734135ac6 100644
--- a/examples/objective-c/route_guide/RouteGuide.podspec
+++ b/examples/objective-c/route_guide/RouteGuide.podspec
@@ -29,7 +29,7 @@ Pod::Spec.new do |s|
     ss.source_files = "#{dir}/*.pbrpc.{h,m}", "#{dir}/**/*.pbrpc.{h,m}"
     ss.header_mappings_dir = dir
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.11"
+    ss.dependency "gRPC", "~> 0.12"
     ss.dependency "#{s.name}/Messages"
   end
 end
diff --git a/gRPC.podspec b/gRPC.podspec
index 89b98c25113a6445eb25551fdd34b54b1fdce840..53ed948d747856d891dff94b369b2bcdeeedad76 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -575,7 +575,7 @@ Pod::Spec.new do |s|
 
     ss.requires_arc = false
     ss.libraries = 'z'
-    ss.dependency 'OpenSSL', '~> 1.0.200'
+    ss.dependency 'OpenSSL', '~> 1.0.204.1'
 
     # ss.compiler_flags = '-GCC_WARN_INHIBIT_ALL_WARNINGS', '-w'
   end
diff --git a/src/objective-c/README.md b/src/objective-c/README.md
index c1d25b96f5056ca8faf4b573173c7b1e03619585..30d9aad64cdf419dea86a95b3ea358b08abd5623 100644
--- a/src/objective-c/README.md
+++ b/src/objective-c/README.md
@@ -48,8 +48,8 @@ Pod::Spec.new do |s|
   s.version  = '0.0.1'
   s.license  = '...'
 
-  s.ios.deployment_target = '6.0'
-  s.osx.deployment_target = '10.8'
+  s.ios.deployment_target = '7.1'
+  s.osx.deployment_target = '10.9'
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
   # You can run this command manually if you later change your protos and need to regenerate.
@@ -60,7 +60,7 @@ Pod::Spec.new do |s|
     ms.source_files = "*.pbobjc.{h,m}"
     ms.header_mappings_dir = "."
     ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-3"
+    ms.dependency "Protobuf", "~> 3.0.0-alpha-4"
   end
 
   # The --objcgrpc_out plugin generates a pair of .pbrpc.h/.pbrpc.m files for each .proto file with
@@ -69,7 +69,7 @@ Pod::Spec.new do |s|
     ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.5"
+    ss.dependency "gRPC", "~> 0.12"
     ss.dependency "#{s.name}/Messages"
   end
 end
@@ -156,7 +156,7 @@ _protoc_, in which case no system modification nor renaming is necessary.
 
 You need to compile the generated `.pbobjc.*` files (the enums and messages) without ARC support,
 and the generated `.pbrpc.*` files (the services) with ARC support. The generated code depends on
-v0.5+ of the Objective-C gRPC runtime library and v3.0.0-alpha-3+ of the Objective-C Protobuf
+v0.12+ of the Objective-C gRPC runtime library and v3.0.0-alpha-4+ of the Objective-C Protobuf
 runtime library.
 
 These libraries need to be integrated into your project as described in their respective Podspec
diff --git a/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec b/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec
index d4f8084cb576d0efbbf3aa78053d7aeb36268caf..5addf26fc46c255a8a25f9727bd7175e32094853 100644
--- a/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec
+++ b/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec
@@ -3,8 +3,8 @@ Pod::Spec.new do |s|
   s.version  = "0.0.1"
   s.license  = "New BSD"
 
-  s.ios.deployment_target = "6.0"
-  s.osx.deployment_target = "10.8"
+  s.ios.deployment_target = '7.1'
+  s.osx.deployment_target = '10.9'
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
   s.prepare_command = <<-CMD
@@ -22,7 +22,7 @@ Pod::Spec.new do |s|
     ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.7"
+    ss.dependency "gRPC", "~> 0.12"
     ss.dependency "#{s.name}/Messages"
   end
 end
diff --git a/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec b/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
index 8710753e596425003ba605161cf2c639a16e8547..6ecef0593b716a0cd7e109a94c6c259c88be755c 100644
--- a/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
+++ b/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
@@ -3,8 +3,8 @@ Pod::Spec.new do |s|
   s.version  = "0.0.1"
   s.license  = "New BSD"
 
-  s.ios.deployment_target = "6.0"
-  s.osx.deployment_target = "10.8"
+  s.ios.deployment_target = '7.1'
+  s.osx.deployment_target = '10.9'
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
   s.prepare_command = <<-CMD
@@ -18,14 +18,14 @@ Pod::Spec.new do |s|
     ms.source_files = "*.pbobjc.{h,m}"
     ms.header_mappings_dir = "."
     ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-3"
+    ms.dependency "Protobuf", "~> 3.0.0-alpha-4"
   end
 
   s.subspec "Services" do |ss|
     ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.5"
+    ss.dependency "gRPC", "~> 0.12"
     ss.dependency "#{s.name}/Messages"
   end
 end