diff --git a/Build/AssemblySharedInfo.cs b/Build/AssemblySharedInfo.cs
index 39f42c8..8ce6c89 100644
--- a/Build/AssemblySharedInfo.cs
+++ b/Build/AssemblySharedInfo.cs
@@ -12,5 +12,5 @@ using System.Runtime.InteropServices;
 [assembly: ComVisible(false)]
 
 // NOTE: Assembly name is set in respective project files.
-[assembly: AssemblyVersion("0.9.0.0")]
+[assembly: AssemblyVersion("0.10.0.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Build/psake-common.ps1 b/Build/psake-common.ps1
index 011794b..7fbb797 100644
--- a/Build/psake-common.ps1
+++ b/Build/psake-common.ps1
@@ -65,17 +65,15 @@ function Run-Tests($project) {
     $assembly = Get-Assembly $project
 
     if ($appVeyor) {
-        Exec { nunit-console $assembly /framework:net-4.0 }
+        Exec { nunit-console $assembly /framework:net-4.5 }
     } else {
-        Exec { .$nunit $assembly /framework:net-4.0 /result:"$publish_dir\${project}_net40.xml" }
+        Exec { .$nunit $assembly /framework:net-4.5 /result:"$publish_dir\${project}_net40.xml" }
     }
 }
 
 ### Pack functions
 
 function Create-Package($project, $version) {
-
-    Build-Project $project "Release 4.0"
     Build-Project $project "Release 4.5"
     Build-Project $project "Release 4.5" "Package"
 }
diff --git a/SystemInterface/SystemInterface.nuspec b/SystemInterface/SystemInterface.nuspec
index 7a28478..defa820 100644
--- a/SystemInterface/SystemInterface.nuspec
+++ b/SystemInterface/SystemInterface.nuspec
@@ -9,12 +9,12 @@
     <projectUrl>https://github.com/jozefizso/SystemWrapper</projectUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Set of interfaces of .NET system APIs that allows interaction mocking.</description>
-    <releaseNotes></releaseNotes>
+    <releaseNotes>New interfaces for areas like IO, Net, X509, Xml, Data, ActiveDirectory and SmtpClient.
+Droped support for .NET 4.0</releaseNotes>
     <copyright>Copyright (c) 2014-2016 Jozef Izso</copyright>
     <tags>SystemWrapper mocks unit tests registry filesystem</tags>
   </metadata>
   <files>
-    <file src="..\bin\$Configuration$\net40\SystemInterface.*" target="lib\net40\" />
     <file src="..\bin\$Configuration$\net45\SystemInterface.*" target="lib\net45\" />
     <file src="..\Build\*.cs" target="src\Build\" />
     <file src="..\SystemInterface\**\*.cs" target="src\SystemInterface\" exclude="..\SystemInterface\obj\**;..\SystemInterface\bin\**" />
diff --git a/SystemWrapper/SystemWrapper.nuspec b/SystemWrapper/SystemWrapper.nuspec
index 2a12a03..30c5204 100644
--- a/SystemWrapper/SystemWrapper.nuspec
+++ b/SystemWrapper/SystemWrapper.nuspec
@@ -9,7 +9,8 @@
     <projectUrl>https://github.com/jozefizso/SystemWrapper</projectUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Implementation of SystemWrapper.Interfaces using standard .NET Framework objects.</description>
-    <releaseNotes></releaseNotes>
+    <releaseNotes>New interfaces and wrappers for areas like IO, Net, X509, Xml, Data, ActiveDirectory and SmtpClient.
+Droped support for .NET 4.0</releaseNotes>
     <copyright>Copyright (c) 2014-2016 Jozef Izso</copyright>
     <tags>SystemWrapper mocks unit tests registry filesystem</tags>
     <dependencies>
@@ -18,7 +19,6 @@
   </metadata>
   <files>
     <file src="..\bin\$Configuration$\net45\SystemWrapper.*" target="lib\net45\" />
-    <file src="..\bin\$Configuration$\net40\SystemWrapper.*" target="lib\net40\" />
     <file src="..\Build\*.cs" target="src\Build\" />
     <file src="..\SystemWrapper\**\*.cs" target="src\SystemWrapper\" exclude="..\SystemWrapper\obj\**;..\SystemWrapper\bin\**" />
   </files>
diff --git a/appveyor.yml b/appveyor.yml
index bc435fb..1cd7474 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,7 @@
 # AppVeyor configuration
 #
 
-version: 0.9.1.{build}
+version: 0.10.0.{build}
 
 branches:
   except: