diff --git a/BUILD b/BUILD
index 680722ac66b8f612e0f04b79da4877d7bf077611..0893b81c9b7f2f57b6693f8866c0aeb79c6d2c29 100644
--- a/BUILD
+++ b/BUILD
@@ -41,7 +41,7 @@ g_stands_for = "green"
 
 core_version = "3.0.0-dev"
 
-version = "1.2.3"
+version = "1.2.4"
 
 grpc_cc_library(
     name = "gpr",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e09f7297333bb20102cbd5f8461374c6c6b64d55..725c2db0e186c78d91f8b2df1058a87d795916ca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,7 @@
 cmake_minimum_required(VERSION 2.8)
 
 set(PACKAGE_NAME      "grpc")
-set(PACKAGE_VERSION   "1.2.3")
+set(PACKAGE_VERSION   "1.2.4")
 set(PACKAGE_STRING    "${PACKAGE_NAME} ${PACKAGE_VERSION}")
 set(PACKAGE_TARNAME   "${PACKAGE_NAME}-${PACKAGE_VERSION}")
 set(PACKAGE_BUGREPORT "https://github.com/grpc/grpc/issues/")
diff --git a/Makefile b/Makefile
index 7f9e203c957533f53bf325f5943b2828db2e9a53..41b803fe0b62f75c2c3b06447338d4bd00ee2c4a 100644
--- a/Makefile
+++ b/Makefile
@@ -412,8 +412,8 @@ Q = @
 endif
 
 CORE_VERSION = 3.0.0-dev
-CPP_VERSION = 1.2.3
-CSHARP_VERSION = 1.2.3
+CPP_VERSION = 1.2.4
+CSHARP_VERSION = 1.2.4
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
diff --git a/build.yaml b/build.yaml
index ac183a91b56e7908ce863d37a1f3e950c4197e8e..1a9c07e1ade47db9547ce98a2366239e95dbeea2 100644
--- a/build.yaml
+++ b/build.yaml
@@ -14,7 +14,7 @@ settings:
   '#10': See the expand_version.py for all the quirks here
   core_version: 3.0.0-dev
   g_stands_for: green
-  version: 1.2.3
+  version: 1.2.4
 filegroups:
 - name: census
   public_headers:
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 9e6218d031cc2cf317b55befb59f83f322285479..3f75650c99a42239be61759d900cc8f6e0808a54 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -37,7 +37,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-Core'
-  version = '1.2.3'
+  version = '1.2.4'
   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 a4b56fe10543610f23927ddbbf924761a77c2718..c1eaa721bd9340224f0b666a38832c2082841f56 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -36,7 +36,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-ProtoRPC'
-  version = '1.2.3'
+  version = '1.2.4'
   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 a567e6aa0f523089c3b3777a2087b94e2b256282..15234ea8cca486200f29557000c9a0ab320d5040 100644
--- a/gRPC-RxLibrary.podspec
+++ b/gRPC-RxLibrary.podspec
@@ -36,7 +36,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-RxLibrary'
-  version = '1.2.3'
+  version = '1.2.4'
   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 891f9a5aebe03b777bcd250d4edef7809e3597e9..a79c28ea5aef4070c83ab17682d899d6c2a4ca8d 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -35,7 +35,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC'
-  version = '1.2.3'
+  version = '1.2.4'
   s.version  = version
   s.summary  = 'gRPC client library for iOS/OSX'
   s.homepage = 'http://www.grpc.io'
diff --git a/package.json b/package.json
index f2646c0d6d1b93c35c133b29fee4b1bfbece8bb8..bc29b84cfe27e655394db28f83106567598fea43 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "author": "Google Inc.",
   "description": "gRPC Library for Node",
   "homepage": "http://www.grpc.io/",
diff --git a/package.xml b/package.xml
index f120d57a6d149b96badcbedc587ddae390f900b2..fdda050447aa24aa007383d29c4cf9d5f59c3db5 100644
--- a/package.xml
+++ b/package.xml
@@ -13,8 +13,8 @@
  <date>2017-03-01</date>
  <time>16:06:07</time>
  <version>
-  <release>1.2.3</release>
-  <api>1.2.3</api>
+  <release>1.2.4</release>
+  <api>1.2.4</api>
  </version>
  <stability>
   <release>beta</release>
diff --git a/src/cpp/common/version_cc.cc b/src/cpp/common/version_cc.cc
index cda07999244f7fc7bcef74051fa5b2a9d221c0ce..8f3f8e01f56307843c49b2a53dbe219fc9487cb5 100644
--- a/src/cpp/common/version_cc.cc
+++ b/src/cpp/common/version_cc.cc
@@ -37,5 +37,5 @@
 #include <grpc++/grpc++.h>
 
 namespace grpc {
-grpc::string Version() { return "1.2.3"; }
+grpc::string Version() { return "1.2.4"; }
 }
diff --git a/src/csharp/Grpc.Auth/project.json b/src/csharp/Grpc.Auth/project.json
index 45ee3a3112bdb5bceeabde2150d031044fb3b3ef..fbfe29e8b7bdec1471a33254c89203d437feae4d 100644
--- a/src/csharp/Grpc.Auth/project.json
+++ b/src/csharp/Grpc.Auth/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.2.3",
+  "version": "1.2.4",
   "title": "gRPC C# Auth",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2015, Google Inc.",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "Grpc.Core": "1.2.3",
+    "Grpc.Core": "1.2.4",
     "Google.Apis.Auth": "1.21.0"
   },
   "frameworks": {
diff --git a/src/csharp/Grpc.Core.Testing/project.json b/src/csharp/Grpc.Core.Testing/project.json
index 40dc57ac76f067ffd35ddede42e19fe697a652ce..c174e8bf535c5a1b441d7900b7f253915b8f3efb 100644
--- a/src/csharp/Grpc.Core.Testing/project.json
+++ b/src/csharp/Grpc.Core.Testing/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.2.3",
+  "version": "1.2.4",
   "title": "gRPC C# Core Testing",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2017, Google Inc.",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "Grpc.Core": "1.2.3"
+    "Grpc.Core": "1.2.4"
   },
   "frameworks": {
     "net45": {
diff --git a/src/csharp/Grpc.Core/VersionInfo.cs b/src/csharp/Grpc.Core/VersionInfo.cs
index c3339ce1a454b04d25d1c5c4d8ae7d454e6f5746..d324963d1a0d0cb278cf4154f356d1176a857237 100644
--- a/src/csharp/Grpc.Core/VersionInfo.cs
+++ b/src/csharp/Grpc.Core/VersionInfo.cs
@@ -48,11 +48,11 @@ namespace Grpc.Core
         /// <summary>
         /// Current <c>AssemblyFileVersion</c> of gRPC C# assemblies
         /// </summary>
-        public const string CurrentAssemblyFileVersion = "1.2.3.0";
+        public const string CurrentAssemblyFileVersion = "1.2.4.0";
 
         /// <summary>
         /// Current version of gRPC C#
         /// </summary>
-        public const string CurrentVersion = "1.2.3";
+        public const string CurrentVersion = "1.2.4";
     }
 }
diff --git a/src/csharp/Grpc.Core/project.json b/src/csharp/Grpc.Core/project.json
index 0381b04cf5cbf07286863b7c3001d4a57fe2047d..793258da707b81df5da323e1800eb0476032ff18 100644
--- a/src/csharp/Grpc.Core/project.json
+++ b/src/csharp/Grpc.Core/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.2.3",
+  "version": "1.2.4",
   "title": "gRPC C# Core",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2015, Google Inc.",
diff --git a/src/csharp/Grpc.HealthCheck/project.json b/src/csharp/Grpc.HealthCheck/project.json
index 4010d5566abcbead24b42d559a57c9f8aae28ff2..50d6f202b1c0bc42877ea2c3f537f01ff78cec14 100644
--- a/src/csharp/Grpc.HealthCheck/project.json
+++ b/src/csharp/Grpc.HealthCheck/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.2.3",
+  "version": "1.2.4",
   "title": "gRPC C# Healthchecking",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2015, Google Inc.",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "Grpc.Core": "1.2.3",
+    "Grpc.Core": "1.2.4",
     "Google.Protobuf": "3.2.0"
   },
   "frameworks": {
diff --git a/src/csharp/Grpc.Reflection/project.json b/src/csharp/Grpc.Reflection/project.json
index 996aa51512f6f4f5bccda1376bcffab3bc0e5e10..6f48fa5aa43ed8fbd9942bcefbe557bce5e145ad 100644
--- a/src/csharp/Grpc.Reflection/project.json
+++ b/src/csharp/Grpc.Reflection/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.2.3",
+  "version": "1.2.4",
   "title": "gRPC C# Reflection",
   "authors": [ "Google Inc." ],
   "copyright": "Copyright 2016, Google Inc.",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "Grpc.Core": "1.2.3",
+    "Grpc.Core": "1.2.4",
     "Google.Protobuf": "3.2.0"
   },
   "frameworks": {
diff --git a/src/csharp/build_packages_dotnetcli.bat b/src/csharp/build_packages_dotnetcli.bat
index aa47067d7409d6fde492b017806f57be3592ec61..f1e44dac8c29c496808811a23f38f34242dbbc79 100755
--- a/src/csharp/build_packages_dotnetcli.bat
+++ b/src/csharp/build_packages_dotnetcli.bat
@@ -28,7 +28,7 @@
 @rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 @rem Current package versions
-set VERSION=1.2.3
+set VERSION=1.2.4
 set PROTOBUF_VERSION=3.0.0
 
 @rem Adjust the location of nuget.exe
diff --git a/src/csharp/build_packages_dotnetcli.sh b/src/csharp/build_packages_dotnetcli.sh
index b0432f4b18a8ba1cd815cde0443f127aca9313d4..b703d879d4c989b9384e5ead417adaabd179bedc 100755
--- a/src/csharp/build_packages_dotnetcli.sh
+++ b/src/csharp/build_packages_dotnetcli.sh
@@ -66,7 +66,7 @@ dotnet pack --configuration Release Grpc.Auth/project.json --output ../../artifa
 dotnet pack --configuration Release Grpc.HealthCheck/project.json --output ../../artifacts
 dotnet pack --configuration Release Grpc.Reflection/project.json --output ../../artifacts
 
-nuget pack Grpc.nuspec -Version "1.2.3" -OutputDirectory ../../artifacts
-nuget pack Grpc.Tools.nuspec -Version "1.2.3" -OutputDirectory ../../artifacts
+nuget pack Grpc.nuspec -Version "1.2.4" -OutputDirectory ../../artifacts
+nuget pack Grpc.Tools.nuspec -Version "1.2.4" -OutputDirectory ../../artifacts
 
 (cd ../../artifacts && zip csharp_nugets_dotnetcli.zip *.nupkg)
diff --git a/src/node/health_check/package.json b/src/node/health_check/package.json
index 5ad59e27e6a59f3e399cf5e417d145aadda8997c..fb1ad77704f6474638da470af87cb91011ce0863 100644
--- a/src/node/health_check/package.json
+++ b/src/node/health_check/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc-health-check",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "author": "Google Inc.",
   "description": "Health check service for use with gRPC",
   "repository": {
@@ -15,7 +15,7 @@
     }
   ],
   "dependencies": {
-    "grpc": "^1.2.3",
+    "grpc": "^1.2.4",
     "lodash": "^3.9.3",
     "google-protobuf": "^3.0.0"
   },
diff --git a/src/node/tools/package.json b/src/node/tools/package.json
index e06775b5bb645461df8d531872ad3dec84fddecb..b552c4297a9791d6699ab9205d365e3289b1b604 100644
--- a/src/node/tools/package.json
+++ b/src/node/tools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc-tools",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "author": "Google Inc.",
   "description": "Tools for developing with gRPC on Node.js",
   "homepage": "http://www.grpc.io/",
diff --git a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
index f314d48c8870ec631964ee6d72cb31e4af9efcc2..876fa1ce05b699360e449e0caa02318c8c2fbb1c 100644
--- a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
@@ -42,7 +42,7 @@ 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 = '1.2.3'
+  v = '1.2.4'
   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/GRPCClient/private/version.h b/src/objective-c/GRPCClient/private/version.h
index 69035cf8add595de51b6acf4b7f93b3964993118..f02b2693adf431e2fc3e548db2dd1f12ab77d274 100644
--- a/src/objective-c/GRPCClient/private/version.h
+++ b/src/objective-c/GRPCClient/private/version.h
@@ -38,4 +38,4 @@
 // `tools/buildgen/generate_projects.sh`.
 
 
-#define GRPC_OBJC_VERSION_STRING @"1.2.3"
+#define GRPC_OBJC_VERSION_STRING @"1.2.4"
diff --git a/src/php/composer.json b/src/php/composer.json
index a2f83ec1e00c543ed420d32b7f31e2b79aba6861..7061f417bc8db3832c6a83bb9acbb18350fab069 100644
--- a/src/php/composer.json
+++ b/src/php/composer.json
@@ -2,7 +2,7 @@
   "name": "grpc/grpc-dev",
   "description": "gRPC library for PHP - for Developement use only",
   "license": "BSD-3-Clause",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "require": {
     "php": ">=5.5.0",
     "google/protobuf": "^v3.1.0"
diff --git a/src/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index 0fdb76072b3794ee1d7328cc3d916a4c4ad50c5b..c1f101f08bd588525663eeea5a3cf22cd1028a34 100644
--- a/src/python/grpcio/grpc_version.py
+++ b/src/python/grpcio/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc_version.py.template`!!!
 
-VERSION='1.2.3'
+VERSION='1.2.4'
diff --git a/src/python/grpcio_health_checking/grpc_version.py b/src/python/grpcio_health_checking/grpc_version.py
index d3ac3aa3ef0e7a03fd137445f2a038a9821e9c93..99b9f80c67d261b960c9dfc10f236d9dbaa3b235 100644
--- a/src/python/grpcio_health_checking/grpc_version.py
+++ b/src/python/grpcio_health_checking/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_health_checking/grpc_version.py.template`!!!
 
-VERSION='1.2.3'
+VERSION='1.2.4'
diff --git a/src/python/grpcio_reflection/grpc_version.py b/src/python/grpcio_reflection/grpc_version.py
index 416910c6ab9011392c4be5ae9e9c241dbf0d8d52..bd25f0466b77375a7665c8552d1203b0d8024b6c 100644
--- a/src/python/grpcio_reflection/grpc_version.py
+++ b/src/python/grpcio_reflection/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_reflection/grpc_version.py.template`!!!
 
-VERSION='1.2.3'
+VERSION='1.2.4'
diff --git a/src/python/grpcio_tests/grpc_version.py b/src/python/grpcio_tests/grpc_version.py
index 71495a1075fad9567abdc303ecb9392265e6ce1f..b46ba3c9bee5370e171a9dd632f6bdc291f6c9bd 100644
--- a/src/python/grpcio_tests/grpc_version.py
+++ b/src/python/grpcio_tests/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_tests/grpc_version.py.template`!!!
 
-VERSION='1.2.3'
+VERSION='1.2.4'
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index 51f9ccace9e6dfc649878817b4af19be9566108c..6a31b125677fee347bc039487e223f6fcf8a6013 100644
--- a/src/ruby/lib/grpc/version.rb
+++ b/src/ruby/lib/grpc/version.rb
@@ -29,5 +29,5 @@
 
 # GRPC contains the General RPC module.
 module GRPC
-  VERSION = '1.2.3'
+  VERSION = '1.2.4'
 end
diff --git a/src/ruby/tools/version.rb b/src/ruby/tools/version.rb
index dd07b264d4bdfd886fe8cad6ebf69f8640628de7..641ffdc79a66a0a884d970ab630538f0098a5613 100644
--- a/src/ruby/tools/version.rb
+++ b/src/ruby/tools/version.rb
@@ -29,6 +29,6 @@
 
 module GRPC
   module Tools
-    VERSION = '1.2.3'
+    VERSION = '1.2.4'
   end
 end
diff --git a/tools/distrib/python/grpcio_tools/grpc_version.py b/tools/distrib/python/grpcio_tools/grpc_version.py
index 32fad56ca4d286fee9098fb2f46f3e7df474c01a..ce560e156bd99d0f03c1e93e03e9ec48bee9338b 100644
--- a/tools/distrib/python/grpcio_tools/grpc_version.py
+++ b/tools/distrib/python/grpcio_tools/grpc_version.py
@@ -29,4 +29,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
-VERSION='1.2.3'
+VERSION='1.2.4'
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 4bb1414e8689ef422c62460e248a52950a7a03d0..9fc757eb5df7b14ade7ed8b2480dd4d17a0c6f33 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.2.3
+PROJECT_NUMBER         = 1.2.4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index db987191b60e8878151ea63925df5d0e1bbeff77..1cf44358a244130e333d42ace5f01f134a0f6c48 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.2.3
+PROJECT_NUMBER         = 1.2.4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a