diff --git a/Makefile b/Makefile
index 35154a1cc8fe93e29df193a7560f859bc2f7d820..64637e1ac3af6f1b137a7e88c58b065cb66369b5 100644
--- a/Makefile
+++ b/Makefile
@@ -407,7 +407,7 @@ E = @echo
 Q = @
 endif
 
-VERSION = 0.14.1
+VERSION = 0.14.2-pre1
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
diff --git a/build.yaml b/build.yaml
index 31fa496833dc6ef1a3fcb997ca7b6504719a5ecf..b0ef376bf9c1c9253cc61206ccdc564dfa80fb22 100644
--- a/build.yaml
+++ b/build.yaml
@@ -7,7 +7,7 @@ settings:
   '#3': Use "-preN" suffixes to identify pre-release versions
   '#4': Per-language overrides are possible with (eg) ruby_version tag here
   '#5': See the expand_version.py for all the quirks here
-  version: 0.14.1
+  version: 0.14.2-pre1
 filegroups:
 - name: census
   public_headers:
diff --git a/composer.json b/composer.json
index 0bf0ff4b45a7830c375bc4e7d20ae2a7c0ff5fe6..0abe77b35c2d0c7afc27105db79a25e8b3cf269d 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "grpc/grpc",
   "type": "library",
   "description": "gRPC library for PHP",
-  "version": "0.14.1",
+  "version": "0.14.2",
   "keywords": ["rpc"],
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",
diff --git a/package.json b/package.json
index eae2636614458cd1ed64360e933eb7b362e9568b..32b86018d93d06518ba69ec346a95047cda37e48 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc",
-  "version": "0.14.1",
+  "version": "0.14.2-pre1",
   "author": "Google Inc.",
   "description": "gRPC Library for Node",
   "homepage": "http://www.grpc.io/",
diff --git a/package.xml b/package.xml
index c90d6f6b4b9909def4615713572efa4802a69209..e8386948a6d9e6b5ece066979f77d672ad441f65 100644
--- a/package.xml
+++ b/package.xml
@@ -13,8 +13,8 @@
  <date>2016-04-19</date>
  <time>16:06:07</time>
  <version>
-  <release>0.14.1</release>
-  <api>0.14.1</api>
+  <release>0.14.2</release>
+  <api>0.14.2</api>
  </version>
  <stability>
   <release>beta</release>
@@ -1014,8 +1014,8 @@ Update to wrap gRPC C Core version 0.10.0
   </release>
   <release>
    <version>
-    <release>0.14.1</release>
-    <api>0.14.1</api>
+    <release>0.14.2</release>
+    <api>0.14.2</api>
    </version>
    <stability>
     <release>beta</release>
diff --git a/src/core/lib/surface/version.c b/src/core/lib/surface/version.c
index a77af06023090b582eb109be79bc0fc658da1c24..c18ea7bb9f28bdded1fd621acbd6204816288b56 100644
--- a/src/core/lib/surface/version.c
+++ b/src/core/lib/surface/version.c
@@ -36,4 +36,4 @@
 
 #include <grpc/grpc.h>
 
-const char *grpc_version_string(void) { return "0.14.1"; }
+const char *grpc_version_string(void) { return "0.14.2-pre1"; }
diff --git a/src/csharp/Grpc.Core/VersionInfo.cs b/src/csharp/Grpc.Core/VersionInfo.cs
index bbf45f072ad01a7e4c3ff43ad3e4a65fae293bba..9b2f6ed1c38b17d242cbbb02f0783ebce353435f 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 = "0.14.1.0";
+        public const string CurrentAssemblyFileVersion = "0.14.2.0";
 
         /// <summary>
         /// Current version of gRPC C#
         /// </summary>
-        public const string CurrentVersion = "0.14.1";
+        public const string CurrentVersion = "0.14.2-pre1";
     }
 }
diff --git a/src/csharp/build_packages.bat b/src/csharp/build_packages.bat
index 62a7668c6860bccdfb2f1d8a402cf4f92114f122..ca5b290eb904dc4a34257347ffdf9c510aa8a39c 100644
--- a/src/csharp/build_packages.bat
+++ b/src/csharp/build_packages.bat
@@ -1,7 +1,7 @@
 @rem Builds gRPC NuGet packages
 
 @rem Current package versions
-set VERSION=0.14.1
+set VERSION=0.14.2-pre1
 set PROTOBUF_VERSION=3.0.0-beta2
 
 @rem Packages that depend on prerelease packages (like Google.Protobuf) need to have prerelease suffix as well.
diff --git a/src/node/tools/package.json b/src/node/tools/package.json
index a171e2539d73e90b591966e7b430c63572524246..321e3c3e7a57883c648583a1237687d49995fc9f 100644
--- a/src/node/tools/package.json
+++ b/src/node/tools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc-tools",
-  "version": "0.14.1",
+  "version": "0.14.2-pre1",
   "author": "Google Inc.",
   "description": "Tools for developing with gRPC on Node.js",
   "homepage": "http://www.grpc.io/",
diff --git a/src/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index c947beb9300b6a6d5a1c03438a5e8c8b1aad9279..eedb3811857b2cc6ea071c32b7490aff81fb91d8 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='0.14.1'
+VERSION='0.14.2rc1'
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index de36ef0bbfd9cf5d518cb650fe8a7ff7dde42eb2..e0f1dee5967ea91e6af477284f9825f74f356647 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 = '0.14.1'
+  VERSION = '0.14.2.pre1'
 end
diff --git a/src/ruby/tools/version.rb b/src/ruby/tools/version.rb
index 41a2cbc45b93c2afca43b80d19ff4a523b1ea998..e19d7338ad764db746edccfbf6d2eed50e50cd0e 100644
--- a/src/ruby/tools/version.rb
+++ b/src/ruby/tools/version.rb
@@ -29,6 +29,6 @@
 
 module GRPC
   module Tools
-    VERSION = '0.14.1'
+    VERSION = '0.14.2.pre1'
   end
 end
diff --git a/tools/distrib/python/grpcio_tools/grpc_version.py b/tools/distrib/python/grpcio_tools/grpc_version.py
index ec90c87010e950a4753c37a49785e177fc83598c..c22ccff4a26798f65e510c6f0864ff190dc95359 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='0.14.1'
+VERSION='0.14.2rc1'
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 8d42b5c04201b3df8dc966c165ce24f8683ef75c..739a49e7f3044019e135e050862a239110f37297 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         = 0.14.1
+PROJECT_NUMBER         = 0.14.2-pre1
 
 # 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 39b35dc29c1ae7187ace3561f1380cf98d5e1c56..8fbd577c369f1942a1a0010301d0d1775b2a00e5 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         = 0.14.1
+PROJECT_NUMBER         = 0.14.2-pre1
 
 # 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.core b/tools/doxygen/Doxyfile.core
index 943e5fe05751879cb2165546e65a7528fb94dbab..203f3335357e264f99b20089d2a35acee7db00c6 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Core"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.14.1
+PROJECT_NUMBER         = 0.14.2-pre1
 
 # 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.core.internal b/tools/doxygen/Doxyfile.core.internal
index f8fcea1ac194673bc9d080a75eb0e13cc66b6b92..d677afa175141ee6b34edcb2f1436b05c74b2533 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Core"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.14.1
+PROJECT_NUMBER         = 0.14.2-pre1
 
 # 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