diff --git a/Makefile b/Makefile
index c023ee96032ffc0ba44f7a8d05fcfd45834d950f..d9cc89d9d00aa478891d3b80ace737a7df944287 100644
--- a/Makefile
+++ b/Makefile
@@ -361,7 +361,7 @@ E = @echo
 Q = @
 endif
 
-VERSION = 0.13.0-dev
+VERSION = 0.14.0-dev
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
diff --git a/build.yaml b/build.yaml
index 292ce7d943989c9398a61466fdb19bc4b61052ed..630a49410f7ef4d5f1dec8e57d7ad8f8b6b370f4 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: 0.13.0-dev
+  version: 0.14.0-dev
 filegroups:
 - name: census
   public_headers:
diff --git a/package.json b/package.json
index 59e18128ee391293384c5166a0c3e2712f5cafa2..9a86f4d998d180819b84482126a119a442e1b65f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc",
-  "version": "0.12.0",
+  "version": "0.14.0-dev",
   "author": "Google Inc.",
   "description": "gRPC Library for Node",
   "homepage": "http://www.grpc.io/",
diff --git a/src/core/surface/version.c b/src/core/surface/version.c
index b33c99ab19d19af59a5c3820595c6a802a515d81..7723f3940146b6364adf33474ce8a283dbef5dd6 100644
--- a/src/core/surface/version.c
+++ b/src/core/surface/version.c
@@ -36,4 +36,4 @@
 
 #include <grpc/grpc.h>
 
-const char *grpc_version_string(void) { return "0.13.0-dev"; }
+const char *grpc_version_string(void) { return "0.14.0-dev"; }
diff --git a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
index 78295cf6d4103f6fa25437e6e5195f4a53a5ee49..ab12c120cbaf5988eb574f49ce500767779a441e 100644
--- a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
+++ b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
@@ -84,7 +84,7 @@ namespace Grpc.Core.Tests
         {
             var coreVersion = GrpcEnvironment.GetCoreVersionString();
             var parts = coreVersion.Split('.');
-            Assert.AreEqual(4, parts.Length);
+            Assert.AreEqual(3, parts.Length);
         }
     }
 }
diff --git a/src/csharp/Grpc.Core/Version.cs b/src/csharp/Grpc.Core/Version.cs
index d02b301cac75c1ce2c3b0088129727fea132d16f..8a26bd83623f72d2267e872d3abd942ce88b8381 100644
--- a/src/csharp/Grpc.Core/Version.cs
+++ b/src/csharp/Grpc.Core/Version.cs
@@ -34,4 +34,4 @@
 using System.Reflection;
 
 // The current version of gRPC C#.
-[assembly: AssemblyVersion(Grpc.Core.VersionInfo.CurrentVersion + ".0")]
+[assembly: AssemblyVersion(Grpc.Core.VersionInfo.CurrentAssemblyVersion)]
diff --git a/src/csharp/Grpc.Core/VersionInfo.cs b/src/csharp/Grpc.Core/VersionInfo.cs
index 7124ec85d36a65876f194734a64eb8fde23ecd7c..4bd4f204dd5ad7b9997dea2cf2af9f081c3c3f02 100644
--- a/src/csharp/Grpc.Core/VersionInfo.cs
+++ b/src/csharp/Grpc.Core/VersionInfo.cs
@@ -38,9 +38,14 @@ namespace Grpc.Core
     /// </summary>
     public static class VersionInfo
     {
+        /// <summary>
+        /// Current version of gRPC C# assemblies
+        /// </summary>
+        public const string CurrentAssemblyVersion = "0.14.0.0";
+
         /// <summary>
         /// Current version of gRPC C#
         /// </summary>
-        public const string CurrentVersion = "0.13.0-dev";
+        public const string CurrentVersion = "0.14.0-dev";
     }
 }
diff --git a/src/csharp/build_packages.bat b/src/csharp/build_packages.bat
index 2c4e4e514d473f817509fb4c565e52215fca45b9..b7768f782147824c42c0ac7849968bd7f75bf93a 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=0.13.0-dev
+set VERSION=0.14.0-dev
 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/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index 8a40544981fd95bc4261d95f7b81f331565636a3..75b88cfd61eeeaa52dd297dcffb4823193e7cb57 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='0.13.0.dev0'
+VERSION='0.14.0.dev0'
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index e701d5847898bba5f287894a24fec8ec910823c6..9cbd36a355e6a042023b2b50a5e1693a8fff0eec 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 = '0.13.0-dev'
+  VERSION = '0.14.0-dev'
 end
diff --git a/templates/package.json.template b/templates/package.json.template
index ed4dca50e28039c2dc4e8a7b92499ce27f9f6513..ec444976eda23d4b8b63e0e75b31d916cf95e4e0 100644
--- a/templates/package.json.template
+++ b/templates/package.json.template
@@ -2,7 +2,7 @@
 --- |
   {
     "name": "grpc",
-    "version": "0.12.0",
+    "version": "${settings.node_version}",
     "author": "Google Inc.",
     "description": "gRPC Library for Node",
     "homepage": "http://www.grpc.io/",
diff --git a/templates/src/csharp/Grpc.Core/VersionInfo.cs.template b/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
index 578f01f07939a4018f5404104c42398b32d37d70..59864fa058334510eb8559c7eb8fbc82dbfd4ca8 100644
--- a/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
+++ b/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
@@ -40,6 +40,11 @@
       /// </summary>
       public static class VersionInfo
       {
+          /// <summary>
+          /// Current version of gRPC C# assemblies
+          /// </summary>
+          public const string CurrentAssemblyVersion = "${settings.version.major}.${settings.version.minor}.${settings.version.patch}.0";
+
           /// <summary>
           /// Current version of gRPC C#
           /// </summary>
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 5bc38a9aec9e89a32f8a40724db788d143663048..5de1a15604aceb52b4104bd8776e7ebc6f50a879 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         = 0.13.0-dev
+PROJECT_NUMBER         = 0.14.0-dev
 
 # 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 ec71d2e9cddf717a0e00181e41b1200ccb50e740..bd724d8bdaf668c5ed2878ca24bdf6924f8911b2 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         = 0.13.0-dev
+PROJECT_NUMBER         = 0.14.0-dev
 
 # 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 0f22620686cf253a5666999c5b8a86b5f469b1bf..e00fcfc99980198f01f4a4971db8bcc327516dc5 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         = 0.13.0-dev
+PROJECT_NUMBER         = 0.14.0-dev
 
 # 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 a3540778c1f8501f91ac4a6949df1985e062422b..c7b5be758bafdac236e5c5c81b36614e38ae2b69 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         = 0.13.0-dev
+PROJECT_NUMBER         = 0.14.0-dev
 
 # 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