diff --git a/contrib/Rebus/Properties/AssemblyInfo.cs b/contrib/Rebus/Properties/AssemblyInfo.cs
index e476eab..dde7813 100644
--- a/contrib/Rebus/Properties/AssemblyInfo.cs
+++ b/contrib/Rebus/Properties/AssemblyInfo.cs
@@ -34,5 +34,5 @@
 
 [assembly: Guid("0af10984-40d3-453d-b1e5-421529e8c7e2")]
 
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.12.0.0")]
+[assembly: AssemblyFileVersion("0.12.0.0")]
diff --git a/contrib/fb303/py/setup.py b/contrib/fb303/py/setup.py
index 4321ce2..12d2d5c 100644
--- a/contrib/fb303/py/setup.py
+++ b/contrib/fb303/py/setup.py
@@ -26,7 +26,7 @@
     from distutils.core import setup, Extension, Command
 
 setup(name='thrift_fb303',
-      version='1.0.0-dev',
+      version='0.12.0',
       description='Python bindings for the Apache Thrift FB303',
       author=['Thrift Developers'],
       author_email=['dev@thrift.apache.org'],
diff --git a/contrib/thrift-maven-plugin/pom.xml b/contrib/thrift-maven-plugin/pom.xml
index 0af5957..e11fbbf 100644
--- a/contrib/thrift-maven-plugin/pom.xml
+++ b/contrib/thrift-maven-plugin/pom.xml
@@ -27,7 +27,7 @@
   <artifactId>thrift-maven-plugin</artifactId>
   <packaging>maven-plugin</packaging>
   <name>thrift-maven-plugin</name>
-  <version>1.0-SNAPSHOT</version>
+  <version>0.12.0</version>
   <build>
     <plugins>
       <plugin>
diff --git a/contrib/thrift.spec b/contrib/thrift.spec
index 034ebc8..1fe0f9c 100644
--- a/contrib/thrift.spec
+++ b/contrib/thrift.spec
@@ -28,7 +28,7 @@
 License:        Apache License v2.0
 Group:          Development
 Summary:        RPC and serialization framework
-Version:        0.11.0
+Version:        0.12.0
 Release:        0
 URL:            http://thrift.apache.org
 Packager:       Thrift Developers <dev@thrift.apache.org>
diff --git a/contrib/vagrant/centos-6.5/README.md b/contrib/vagrant/centos-6.5/README.md
index 76dca44..91ae67f 100644
--- a/contrib/vagrant/centos-6.5/README.md
+++ b/contrib/vagrant/centos-6.5/README.md
@@ -11,7 +11,7 @@
    $ vagrant ssh
    [vagrant@thrift ~]$ cd /thrift
    [vagrant@thrift thrift]$ compiler/cpp/thrift --version
-   Thrift version 1.0.0-dev
+   Thrift version 0.12.0
 
 The provisioning script (inside the Vagrantfile) runs ./bootstrap.sh, ./configure, make and make check, but does not install thrift. To install thrift run "make install".
 
diff --git a/contrib/zeromq/csharp/ThriftZMQ.csproj b/contrib/zeromq/csharp/ThriftZMQ.csproj
index 6b46530..9143a69 100755
--- a/contrib/zeromq/csharp/ThriftZMQ.csproj
+++ b/contrib/zeromq/csharp/ThriftZMQ.csproj
@@ -25,7 +25,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
+    <ApplicationVersion>0.12.0</ApplicationVersion>
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
@@ -88,4 +88,4 @@
     </BootstrapperPackage>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-</Project>
\ No newline at end of file
+</Project>