diff --git a/lib/as3/gradle.properties b/lib/as3/gradle.properties
index 9ace275..28f9cd5 100644
--- a/lib/as3/gradle.properties
+++ b/lib/as3/gradle.properties
@@ -1,7 +1,7 @@
 # This file is shared currently between this Gradle build and the
 # Ant builds for fd303 and JavaScript. Keep the dotted notation for
 # the properties to minimize the changes in the dependencies.
-thrift.version=0.14.0
+thrift.version=0.15.0
 thrift.groupid=org.apache.thrift
 release=false
 sign=false
diff --git a/lib/d/src/thrift/base.d b/lib/d/src/thrift/base.d
index 4a8fbd7..6c49afe 100644
--- a/lib/d/src/thrift/base.d
+++ b/lib/d/src/thrift/base.d
@@ -50,7 +50,7 @@
 /// The Thrift version string, used for informative purposes.
 // Note: This is currently hardcoded, but will likely be filled in by the build
 // system in future versions.
-enum VERSION = "0.14.0";
+enum VERSION = "0.15.0";
 
 /**
  * Functions used for logging inside Thrift.
diff --git a/lib/dart/pubspec.yaml b/lib/dart/pubspec.yaml
index 1999b58..e16cac3 100644
--- a/lib/dart/pubspec.yaml
+++ b/lib/dart/pubspec.yaml
@@ -16,7 +16,7 @@
 # under the License.
 
 name: thrift
-version: 0.14.0
+version: 0.15.0
 description: >
   A Dart library for Apache Thrift
 author: Apache Thrift Developers <dev@thrift.apache.org>
diff --git a/lib/delphi/src/Thrift.pas b/lib/delphi/src/Thrift.pas
index 1926b11..66dda72 100644
--- a/lib/delphi/src/Thrift.pas
+++ b/lib/delphi/src/Thrift.pas
@@ -28,7 +28,7 @@
   Thrift.Protocol;
 
 const
-  Version = '0.14.0';
+  Version = '0.15.0';
 
 type
   TException = Thrift.Exception.TException; // compatibility alias
diff --git a/lib/erl/src/thrift.app.src b/lib/erl/src/thrift.app.src
index 5e8d670..a98c586 100644
--- a/lib/erl/src/thrift.app.src
+++ b/lib/erl/src/thrift.app.src
@@ -22,7 +22,7 @@
   {description, "Thrift bindings"},
 
   % The version of the applicaton
-  {vsn, "0.14.0"},
+  {vsn, "0.15.0"},
 
   % All modules used by the application.
   {modules, [
diff --git a/lib/haxe/haxelib.json b/lib/haxe/haxelib.json
index d0e437b..1cb0be4 100644
--- a/lib/haxe/haxelib.json
+++ b/lib/haxe/haxelib.json
@@ -4,7 +4,7 @@
 	"license": "Apache",
 	"tags": ["thrift", "rpc", "serialization", "cross", "framework"],
 	"description": "Haxe bindings for the Apache Thrift RPC and serialization framework",
-	"version": "0.14.0",
+	"version": "0.15.0",
 	"releasenote": "Licensed under Apache License, Version 2.0. The Apache Thrift compiler needs to be installed separately.",
 	"contributors": ["Apache Software Foundation (ASF)"],
 	"dependencies": { },
diff --git a/lib/hs/thrift.cabal b/lib/hs/thrift.cabal
index c60effb..5c3d37a 100644
--- a/lib/hs/thrift.cabal
+++ b/lib/hs/thrift.cabal
@@ -18,7 +18,7 @@
 --
 
 Name:           thrift
-Version:        0.14.0
+Version:        0.15.0
 Cabal-Version:  1.24
 License:        Apache
 Category:       Foreign
diff --git a/lib/java/gradle.properties b/lib/java/gradle.properties
index 8a7acb1..b87bdc7 100644
--- a/lib/java/gradle.properties
+++ b/lib/java/gradle.properties
@@ -1,7 +1,7 @@
 # This file is shared currently between this Gradle build and the
 # Ant builds for fd303 and JavaScript. Keep the dotted notation for
 # the properties to minimize the changes in the dependencies.
-thrift.version=0.14.0
+thrift.version=0.15.0
 thrift.groupid=org.apache.thrift
 release=false
 
diff --git a/lib/js/package-lock.json b/lib/js/package-lock.json
index 3f054cd..b16e586 100644
--- a/lib/js/package-lock.json
+++ b/lib/js/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "thrift",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/lib/js/package.json b/lib/js/package.json
index a46a732..c27ac34 100644
--- a/lib/js/package.json
+++ b/lib/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "thrift",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "description": "Thrift is a software framework for scalable cross-language services development.",
   "main": "./src/thrift",
   "author": {
diff --git a/lib/js/src/thrift.js b/lib/js/src/thrift.js
index 123f526..808739f 100644
--- a/lib/js/src/thrift.js
+++ b/lib/js/src/thrift.js
@@ -46,7 +46,7 @@
      * @const {string} Version
      * @memberof Thrift
      */
-    Version: '0.14.0',
+    Version: '0.15.0',
 
     /**
      * Thrift IDL type string to Id mapping.
diff --git a/lib/lua/Thrift.lua b/lib/lua/Thrift.lua
index 4a290de..bf8d39f 100644
--- a/lib/lua/Thrift.lua
+++ b/lib/lua/Thrift.lua
@@ -48,7 +48,7 @@
   return count
 end
 
-version = '0.14.0'
+version = '0.15.0'
 
 TType = {
   STOP   = 0,
diff --git a/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj b/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj
index 7c5639b..1726ddb 100644
--- a/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj
+++ b/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj
@@ -22,6 +22,7 @@
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <AssemblyName>Thrift.IntegrationTests</AssemblyName>
     <PackageId>Thrift.IntegrationTests</PackageId>
+    <Version>0.15.0.0</Version>
     <OutputType>Exe</OutputType>
     <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
     <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
diff --git a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
index c43c71c..af28cd9 100644
--- a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
+++ b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
@@ -20,6 +20,7 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <Version>0.15.0.0</Version>
     <AssemblyName>Thrift.PublicInterfaces.Compile.Tests</AssemblyName>
     <PackageId>Thrift.PublicInterfaces.Compile.Tests</PackageId>
     <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
diff --git a/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj b/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj
index 4b39e7d..a03e646 100644
--- a/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj
+++ b/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj
@@ -19,6 +19,7 @@
   -->
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <Version>0.15.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="CompareNETObjects" Version="4.64.0" />
diff --git a/lib/netstd/Thrift/Properties/AssemblyInfo.cs b/lib/netstd/Thrift/Properties/AssemblyInfo.cs
index 58aa844..c05acab 100644
--- a/lib/netstd/Thrift/Properties/AssemblyInfo.cs
+++ b/lib/netstd/Thrift/Properties/AssemblyInfo.cs
@@ -52,5 +52,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 
-[assembly: AssemblyVersion("0.14.0.0")]
-[assembly: AssemblyFileVersion("0.14.0.0")]
+[assembly: AssemblyVersion("0.15.0.0")]
+[assembly: AssemblyFileVersion("0.15.0.0")]
diff --git a/lib/netstd/Thrift/Thrift.csproj b/lib/netstd/Thrift/Thrift.csproj
index 3278d98..78e9762 100644
--- a/lib/netstd/Thrift/Thrift.csproj
+++ b/lib/netstd/Thrift/Thrift.csproj
@@ -39,7 +39,7 @@
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>thrift.snk</AssemblyOriginatorKeyFile>
     <DelaySign>false</DelaySign>
-    <Version>0.14.0.0</Version>
+    <Version>0.15.0.0</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/lib/ocaml/_oasis b/lib/ocaml/_oasis
index 2b6c477..a3c1cab 100644
--- a/lib/ocaml/_oasis
+++ b/lib/ocaml/_oasis
@@ -1,5 +1,5 @@
 Name: libthrift-ocaml
-Version: 0.14.0
+Version: 0.15.0
 OASISFormat: 0.3
 Synopsis: OCaml bindings for the Apache Thrift RPC system
 Authors: Apache Thrift Developers <dev@thrift.apache.org>
diff --git a/lib/perl/lib/Thrift.pm b/lib/perl/lib/Thrift.pm
index 9a7c6bb..4e399bc 100644
--- a/lib/perl/lib/Thrift.pm
+++ b/lib/perl/lib/Thrift.pm
@@ -31,6 +31,6 @@
 #
 
 package Thrift;
-use version 0.77; our $VERSION = version->declare("v0.14.0");
+use version 0.77; our $VERSION = version->declare("v0.15.0");
 
 1;
diff --git a/lib/py/setup.py b/lib/py/setup.py
index 27a392d..caa7147 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -91,7 +91,7 @@
     twisted_deps = ['twisted']
 
     setup(name='thrift',
-          version='0.14.0',
+          version='0.15.0',
           description='Python bindings for the Apache Thrift RPC system',
           author='Apache Thrift Developers',
           author_email='dev@thrift.apache.org',
diff --git a/lib/rb/thrift.gemspec b/lib/rb/thrift.gemspec
index c6f32cb..7481a29 100644
--- a/lib/rb/thrift.gemspec
+++ b/lib/rb/thrift.gemspec
@@ -3,7 +3,7 @@
 
 Gem::Specification.new do |s|
   s.name        = 'thrift'
-  s.version     = '0.14.0'
+  s.version     = '0.15.0'
   s.authors     = ['Apache Thrift Developers']
   s.email       = ['dev@thrift.apache.org']
   s.homepage    = 'http://thrift.apache.org'
diff --git a/lib/rs/Cargo.toml b/lib/rs/Cargo.toml
index 4f2b4c8..505b9a9 100644
--- a/lib/rs/Cargo.toml
+++ b/lib/rs/Cargo.toml
@@ -2,7 +2,7 @@
 name = "thrift"
 description = "Rust bindings for the Apache Thrift RPC system"
 edition = "2018"
-version = "0.14.0"
+version = "0.15.0"
 license = "Apache-2.0"
 authors = ["Apache Thrift Developers <dev@thrift.apache.org>"]
 homepage = "http://thrift.apache.org"
diff --git a/lib/st/package.xml b/lib/st/package.xml
index eab4052..5d1c627 100644
--- a/lib/st/package.xml
+++ b/lib/st/package.xml
@@ -17,7 +17,7 @@
  specific language governing permissions and limitations
  under the License.
  -->
-<!-- Apache Thrift Smalltalk library version 0.14.0 -->
+<!-- Apache Thrift Smalltalk library version 0.15.0 -->
 <package>
   <name>libthrift-st</name>
   <file>thrift.st</file>
diff --git a/lib/swift/Sources/Thrift.swift b/lib/swift/Sources/Thrift.swift
index 789aae9..49cdab0 100644
--- a/lib/swift/Sources/Thrift.swift
+++ b/lib/swift/Sources/Thrift.swift
@@ -1,3 +1,3 @@
 class Thrift {
-	let version = "0.14.0"
+	let version = "0.15.0"
 }
diff --git a/lib/swift/Tests/ThriftTests/ThriftTests.swift b/lib/swift/Tests/ThriftTests/ThriftTests.swift
index 226862e..1a0bb1d 100644
--- a/lib/swift/Tests/ThriftTests/ThriftTests.swift
+++ b/lib/swift/Tests/ThriftTests/ThriftTests.swift
@@ -3,7 +3,7 @@
 
 class ThriftTests: XCTestCase {
   func testVersion() {
-    XCTAssertEqual(Thrift().version, "0.14.0")
+    XCTAssertEqual(Thrift().version, "0.15.0")
   }
 
   static var allTests : [(String, (ThriftTests) -> () throws -> Void)] {
diff --git a/lib/ts/package-lock.json b/lib/ts/package-lock.json
index 49de90b..f617553 100644
--- a/lib/ts/package-lock.json
+++ b/lib/ts/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "thrift",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/lib/ts/package.json b/lib/ts/package.json
index 1cd6c71..e79a075 100644
--- a/lib/ts/package.json
+++ b/lib/ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "thrift",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "description": "Thrift is a software framework for scalable cross-language services development.",
   "author": {
     "name": "Apache Thrift Developers",