diff --git a/test/csharp/Properties/AssemblyInfo.cs b/test/csharp/Properties/AssemblyInfo.cs
index d7e04b5..67a9243 100644
--- a/test/csharp/Properties/AssemblyInfo.cs
+++ b/test/csharp/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.12.0.0")]
-[assembly: AssemblyFileVersion("0.12.0.0")]
+[assembly: AssemblyVersion("0.12.1.0")]
+[assembly: AssemblyFileVersion("0.12.1.0")]
diff --git a/test/csharp/ThriftTest.csproj b/test/csharp/ThriftTest.csproj
index 363627f..2ee51e1 100644
--- a/test/csharp/ThriftTest.csproj
+++ b/test/csharp/ThriftTest.csproj
@@ -46,7 +46,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>0.12.0.%2a</ApplicationVersion>
+    <ApplicationVersion>0.12.1.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
   </PropertyGroup>