diff --git a/src/Main/GlobalAssemblyInfo.template b/src/Main/GlobalAssemblyInfo.template
index 5c16e41517..2f2c5757a9 100644
--- a/src/Main/GlobalAssemblyInfo.template
+++ b/src/Main/GlobalAssemblyInfo.template
@@ -27,7 +27,7 @@ using System.Reflection;
 internal static class RevisionClass
 {
 	public const string Major = "4";
-	public const string Minor = "0";
+	public const string Minor = "1";
 	public const string Build = "0";
 	public const string Revision = "$INSERTREVISION$";
 	
diff --git a/src/Setup/Files.wxs b/src/Setup/Files.wxs
index 7e312c911c..a19d92d29d 100644
--- a/src/Setup/Files.wxs
+++ b/src/Setup/Files.wxs
@@ -5,7 +5,7 @@
 			<!-- SharpDevelop installation directory and files -->
 			<Directory Id="ProgramFilesFolder" Name="PFiles">
 				<Directory Id="SharpDevelopFolder" Name="SharpDevelop">
-					<Directory Id="INSTALLDIR" Name="4.0">
+					<Directory Id="INSTALLDIR" Name="4.1">
 						<Directory Id="BinFolder" Name="bin">
 							<Component Id="SharpDevelopExe" Guid="F632C62C-A4DD-4507-9678-C7DCFF4DBC8C" DiskId="1">
 								<File Id="SharpDevelop.exe" Name="SharpDevelop.exe" Source="..\..\bin\SharpDevelop.exe" Assembly=".net" AssemblyApplication="SharpDevelop.exe" AssemblyManifest="SharpDevelop.exe" KeyPath="yes">
@@ -1560,7 +1560,7 @@
 								http://msdn.microsoft.com/library/en-us/msi/setup/ice38.asp
 							-->
 					<RegistryValue Id="SharpDevelopExeStartMenuShortcutRegistryKey" Root="HKCU" Type="string" KeyPath="yes" Key="Software\SharpDevelop4" Name="ProgramFilesShortcut" Value="1" />
-					<Shortcut Name="SharpDevelop 4.0" Target="[!SharpDevelop.exe]" Id="SharpDevelopExeStartMenuShortcut" WorkingDirectory="BinFolder" Icon="SharpDevelopIcon.exe" Directory="ProgramMenuFolder" />
+					<Shortcut Name="SharpDevelop 4.1" Target="[!SharpDevelop.exe]" Id="SharpDevelopExeStartMenuShortcut" WorkingDirectory="BinFolder" Icon="SharpDevelopIcon.exe" Directory="ProgramMenuFolder" />
 				</Component>
 			</Directory>
 			<!-- Desktop shortcuts -->
@@ -1571,7 +1571,7 @@
 								http://msdn.microsoft.com/library/en-us/msi/setup/ice38.asp
 							-->
 					<RegistryValue Id="SharpDevelopExeDesktopShortcutRegistryKey" Type="string" Root="HKCU" KeyPath="yes" Key="Software\SharpDevelop4" Name="DesktopShortcut" Value="1" />
-					<Shortcut Id="SharpDevelopExeDesktopShortcut" Directory="DesktopFolder" Target="[!SharpDevelop.exe]" Name="SharpDevelop 4.0" Icon="SharpDevelopIcon.exe" WorkingDirectory="BinFolder" />
+					<Shortcut Id="SharpDevelopExeDesktopShortcut" Directory="DesktopFolder" Target="[!SharpDevelop.exe]" Name="SharpDevelop 4.1" Icon="SharpDevelopIcon.exe" WorkingDirectory="BinFolder" />
 				</Component>
 			</Directory>
 		</DirectoryRef>
diff --git a/src/Setup/Setup.wxs b/src/Setup/Setup.wxs
index c257dfea37..a47ab7ea2d 100644
--- a/src/Setup/Setup.wxs
+++ b/src/Setup/Setup.wxs
@@ -8,31 +8,31 @@
 	-->
 
 	<Product Id="*" 
-		Name="SharpDevelop 4.0 Beta 4"
+		Name="SharpDevelop 4.1"
 		Manufacturer="ic#code"
 		Language="1033"
 		Codepage="1252"
-		UpgradeCode="D6355909-87E1-4CC7-81EF-3057D540A103"
-		Version="4.0.$(var.PRODUCTBUILDVERSION)">
+		UpgradeCode="53805F5D-AC04-4592-8078-6EB7164D8C15"
+		Version="4.1.$(var.PRODUCTBUILDVERSION)">
 
-		<Package Description="SharpDevelop 4.0.0.$(var.PRODUCTBUILDVERSION)"
+		<Package Description="SharpDevelop 4.1.0.$(var.PRODUCTBUILDVERSION)"
 			InstallerVersion="300"
 			Compressed="yes"/>
 		
 		<!-- Upgrade information -->
-		<Upgrade Id="D6355909-87E1-4CC7-81EF-3057D540A103">
+		<Upgrade Id="53805F5D-AC04-4592-8078-6EB7164D8C15">
 			<!-- The UpgradeCode must be changed to allow two versions of SharpDevelop to be installed side-by-side -->
 			
 			<!-- Checks for older versions -->
-			<UpgradeVersion Minimum="4.0.0"
+			<UpgradeVersion Minimum="4.1.0"
 				IncludeMinimum="yes"
-				Maximum="4.0.$(var.PRODUCTBUILDVERSION)"
+				Maximum="4.1.$(var.PRODUCTBUILDVERSION)"
 				IncludeMaximum="no" 
 				Property="PREVIOUSVERSIONFOUND"/>
 			<!-- Checks for newer versions -->
 			<UpgradeVersion OnlyDetect="yes"
 				Property="NEWERVERSIONFOUND"
-        		Minimum="4.0.$(var.PRODUCTBUILDVERSION)"
+        		Minimum="4.1.$(var.PRODUCTBUILDVERSION)"
 				IncludeMinimum="no"/>
 		</Upgrade>
 		
@@ -145,7 +145,7 @@
 			each be a feature if the user wants to heavily customise the installation.
 		-->
 		<Feature Id="Complete"
-		         Title="SharpDevelop 4.0"
+		         Title="SharpDevelop 4.1"
 		         Description="Installs SharpDevelop and registers file associations"
 		         Level="1"
 		         ConfigurableDirectory="INSTALLDIR"
@@ -622,7 +622,7 @@
 		<UIRef Id="WixUI_FeatureTree"/>
 		
 		<!--
-			If a newer version of SharpDevelop 4.0 is installed show an
+			If a newer version of SharpDevelop 4.1 is installed show an
 			error message.
 	
 			This message is not displayed immediately, the FindRelatedProducts 
@@ -636,13 +636,13 @@
 			<!--
 				Display an error message if a newer version found.
 				
-				Since the installer completely removes the existing SharpDevelop 4.0
+				Since the installer completely removes the existing SharpDevelop 4.1
 				downgrades would work without any problems, but for now we 
 				inform the user that a newer version already exists.
  			-->
 			<Custom Action="NoDowngrade" After="FindRelatedProducts">NEWERVERSIONFOUND</Custom>
 			<!--
-				Removes the older version of SharpDevelop 4.0, if we are upgrading,
+				Removes the older version of SharpDevelop 4.1, if we are upgrading,
 				before installing the new version.
 
 				Unfortunately the user is not informed of this upgrade. I think