diff --git a/OpenSim/Addons/Groups/Properties/AssemblyInfo.cs b/OpenSim/Addons/Groups/Properties/AssemblyInfo.cs
index 238c9a6c29..abafd3472f 100644
--- a/OpenSim/Addons/Groups/Properties/AssemblyInfo.cs
+++ b/OpenSim/Addons/Groups/Properties/AssemblyInfo.cs
@@ -33,4 +33,4 @@ using Mono.Addins;
 [assembly: AssemblyVersion("0.8.1.*")]
 
 [assembly: Addin("OpenSim.Groups", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
diff --git a/OpenSim/Addons/OfflineIM/Properties/AssemblyInfo.cs b/OpenSim/Addons/OfflineIM/Properties/AssemblyInfo.cs
index 91a9400f3f..0c9a576d0e 100644
--- a/OpenSim/Addons/OfflineIM/Properties/AssemblyInfo.cs
+++ b/OpenSim/Addons/OfflineIM/Properties/AssemblyInfo.cs
@@ -33,4 +33,4 @@ using Mono.Addins;
 [assembly: AssemblyVersion("0.8.1.*")]
 
 [assembly: Addin("OpenSim.OfflineIM", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
diff --git a/OpenSim/ApplicationPlugins/LoadRegions/Resources/LoadRegionsPlugin.addin.xml b/OpenSim/ApplicationPlugins/LoadRegions/Resources/LoadRegionsPlugin.addin.xml
index 37222b7359..840a1b4d4a 100644
--- a/OpenSim/ApplicationPlugins/LoadRegions/Resources/LoadRegionsPlugin.addin.xml
+++ b/OpenSim/ApplicationPlugins/LoadRegions/Resources/LoadRegionsPlugin.addin.xml
@@ -3,7 +3,7 @@
         <Import assembly="OpenSim.ApplicationPlugins.LoadRegions.dll"/>
     </Runtime>
     <Dependencies>
-        <Addin id="OpenSim" version="0.5" />
+        <Addin id="OpenSim" version="0.8.1" />
     </Dependencies>
     <Extension path = "/OpenSim/Startup">
         <Plugin id="LoadRegions" type="OpenSim.ApplicationPlugins.LoadRegions.LoadRegionsPlugin" />
diff --git a/OpenSim/ApplicationPlugins/RegionModulesController/Resources/RegionModulesControllerPlugin.addin.xml b/OpenSim/ApplicationPlugins/RegionModulesController/Resources/RegionModulesControllerPlugin.addin.xml
index a92713bd15..c537922bb3 100644
--- a/OpenSim/ApplicationPlugins/RegionModulesController/Resources/RegionModulesControllerPlugin.addin.xml
+++ b/OpenSim/ApplicationPlugins/RegionModulesController/Resources/RegionModulesControllerPlugin.addin.xml
@@ -4,7 +4,7 @@
     </Runtime>
 
     <Dependencies>
-        <Addin id="OpenSim" version="0.5" />
+        <Addin id="OpenSim" version="0.8.1" />
     </Dependencies>
 
     <Extension path = "/OpenSim/Startup">
diff --git a/OpenSim/ApplicationPlugins/RemoteController/Resources/RemoteAdminPlugin.addin.xml b/OpenSim/ApplicationPlugins/RemoteController/Resources/RemoteAdminPlugin.addin.xml
index d68f2e42ec..b0859f354c 100644
--- a/OpenSim/ApplicationPlugins/RemoteController/Resources/RemoteAdminPlugin.addin.xml
+++ b/OpenSim/ApplicationPlugins/RemoteController/Resources/RemoteAdminPlugin.addin.xml
@@ -3,7 +3,7 @@
         <Import assembly="OpenSim.ApplicationPlugins.RemoteController.dll"/>
     </Runtime>
     <Dependencies>
-        <Addin id="OpenSim" version="0.5" />
+        <Addin id="OpenSim" version="0.8.1" />
     </Dependencies>
     <Extension path = "/OpenSim/Startup">
         <Plugin id="RemoteController" type="OpenSim.ApplicationPlugins.RemoteController.RemoteAdminPlugin" />
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCapsModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCapsModule.cs
index b735dfa244..9a0a5d5b86 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCapsModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCapsModule.cs
@@ -41,7 +41,7 @@ using OpenSim.Region.Framework.Scenes;
 using Caps = OpenSim.Framework.Capabilities.Caps;
 
 [assembly: Addin("LindenCaps", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
 namespace OpenSim.Region.ClientStack.Linden
 {
 
diff --git a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
index 6564b4d22f..59b30a95ec 100644
--- a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
+++ b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
@@ -50,7 +50,7 @@ using OpenSim.Services.Interfaces;
 
 
 //[assembly: Addin("FlotsamAssetCache", "1.1")]
-//[assembly: AddinDependency("OpenSim", "0.5")]
+//[assembly: AddinDependency("OpenSim", "0.8.1")]
 
 namespace OpenSim.Region.CoreModules.Asset
 {
diff --git a/OpenSim/Region/CoreModules/Properties/AssemblyInfo.cs b/OpenSim/Region/CoreModules/Properties/AssemblyInfo.cs
index ba453ddd36..8b832a1e57 100644
--- a/OpenSim/Region/CoreModules/Properties/AssemblyInfo.cs
+++ b/OpenSim/Region/CoreModules/Properties/AssemblyInfo.cs
@@ -34,5 +34,5 @@ using Mono.Addins;
 
 
 [assembly: Addin("OpenSim.Region.CoreModules", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
 
diff --git a/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs b/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs
index 66f768b8f7..8bcb17817c 100644
--- a/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs
+++ b/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs
@@ -43,7 +43,7 @@ using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 
 [assembly: Addin("DataSnapshot", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
 
 namespace OpenSim.Region.DataSnapshot
 {
diff --git a/OpenSim/Region/OptionalModules/Example/BareBonesNonShared/BareBonesNonSharedModule.cs b/OpenSim/Region/OptionalModules/Example/BareBonesNonShared/BareBonesNonSharedModule.cs
index 0615036841..bbf71680b0 100644
--- a/OpenSim/Region/OptionalModules/Example/BareBonesNonShared/BareBonesNonSharedModule.cs
+++ b/OpenSim/Region/OptionalModules/Example/BareBonesNonShared/BareBonesNonSharedModule.cs
@@ -37,7 +37,7 @@ using OpenSim.Region.Framework.Scenes;
 // specify its assembly.  Otherwise, the region modules in the assembly will not be picked up when OpenSimulator scans
 // the available DLLs
 //[assembly: Addin("MyModule", "1.0")]
-//[assembly: AddinDependency("OpenSim", "0.5")]
+//[assembly: AddinDependency("OpenSim", "0.8.1")]
 
 namespace OpenSim.Region.OptionalModules.Example.BareBonesNonShared
 {
diff --git a/OpenSim/Region/OptionalModules/Example/BareBonesShared/BareBonesSharedModule.cs b/OpenSim/Region/OptionalModules/Example/BareBonesShared/BareBonesSharedModule.cs
index 811a2636c0..46fea3e0e2 100644
--- a/OpenSim/Region/OptionalModules/Example/BareBonesShared/BareBonesSharedModule.cs
+++ b/OpenSim/Region/OptionalModules/Example/BareBonesShared/BareBonesSharedModule.cs
@@ -37,7 +37,7 @@ using OpenSim.Region.Framework.Scenes;
 // specify its assembly.  Otherwise, the region modules in the assembly will not be picked up when OpenSimulator scans
 // the available DLLs
 //[assembly: Addin("MyModule", "1.0")]
-//[assembly: AddinDependency("OpenSim", "0.5")]
+//[assembly: AddinDependency("OpenSim", "0.8.1")]
 
 namespace OpenSim.Region.OptionalModules.Example.BareBonesShared
 {
diff --git a/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs b/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs
index 7b2a34d239..ea582faf01 100644
--- a/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs
+++ b/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs
@@ -50,7 +50,7 @@ using Ionic.Zlib;
 // specify its assembly.  Otherwise, the region modules in the assembly will not be picked up when OpenSimulator scans
 // the available DLLs
 //[assembly: Addin("MaterialsModule", "1.0")]
-//[assembly: AddinDependency("OpenSim", "0.5")]
+//[assembly: AddinDependency("OpenSim", "0.8.1")]
 
 namespace OpenSim.Region.OptionalModules.Materials
 {
diff --git a/OpenSim/Region/OptionalModules/Properties/AssemblyInfo.cs b/OpenSim/Region/OptionalModules/Properties/AssemblyInfo.cs
index 246fd3731c..2fd412cf09 100644
--- a/OpenSim/Region/OptionalModules/Properties/AssemblyInfo.cs
+++ b/OpenSim/Region/OptionalModules/Properties/AssemblyInfo.cs
@@ -34,4 +34,4 @@ using Mono.Addins;
 
 
 [assembly: Addin("OpenSim.Region.OptionalModules", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
diff --git a/OpenSim/Region/RegionCombinerModule/Resources/RegionCombinerModule.addin.xml b/OpenSim/Region/RegionCombinerModule/Resources/RegionCombinerModule.addin.xml
index 13cb8b6dc5..58919038b6 100644
--- a/OpenSim/Region/RegionCombinerModule/Resources/RegionCombinerModule.addin.xml
+++ b/OpenSim/Region/RegionCombinerModule/Resources/RegionCombinerModule.addin.xml
@@ -4,7 +4,7 @@
     </Runtime>
 
     <Dependencies>
-        <Addin id="OpenSim" version="0.5" />
+        <Addin id="OpenSim" version="0.8.1" />
     </Dependencies>
 
     <Extension path = "/OpenSim/RegionModules">
diff --git a/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml b/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml
index 96c9c3a38c..eb18bf7fcf 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml
+++ b/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml
@@ -4,7 +4,7 @@
     </Runtime>
 
     <Dependencies>
-        <Addin id="OpenSim" version="0.5" />
+        <Addin id="OpenSim" version="0.8.1" />
     </Dependencies>
 
     <Extension path = "/OpenSim/RegionModules">
diff --git a/OpenSim/Region/UserStatistics/WebStatsModule.cs b/OpenSim/Region/UserStatistics/WebStatsModule.cs
index b98b762764..7e57e648ec 100644
--- a/OpenSim/Region/UserStatistics/WebStatsModule.cs
+++ b/OpenSim/Region/UserStatistics/WebStatsModule.cs
@@ -51,7 +51,7 @@ using OSD = OpenMetaverse.StructuredData.OSD;
 using OSDMap = OpenMetaverse.StructuredData.OSDMap;
 
 [assembly: Addin("WebStats", "1.0")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
 
 namespace OpenSim.Region.UserStatistics
 {
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianGrid.cs b/OpenSim/Services/Connectors/SimianGrid/SimianGrid.cs
index 9898da9d1c..e9cad54d81 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianGrid.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianGrid.cs
@@ -40,7 +40,7 @@ using OpenMetaverse;
 using OpenMetaverse.StructuredData;
 
 [assembly: Addin("SimianGrid", "1.0")]
-[assembly: AddinDependency("OpenSim", "0.5")]
+[assembly: AddinDependency("OpenSim", "0.8.1")]
 
 namespace OpenSim.Services.Connectors.SimianGrid
 {
diff --git a/bin/OpenSim.addin.xml b/bin/OpenSim.addin.xml
index a42ba2533f..305344ab35 100644
--- a/bin/OpenSim.addin.xml
+++ b/bin/OpenSim.addin.xml
@@ -1,4 +1,4 @@
-<Addin id="OpenSim" isroot="true" version="0.5">
+<Addin id="OpenSim" isroot="true" version="0.8.1">
     <Runtime>
         <Import assembly="OpenSim.exe"/>
         <Import assembly="OpenSim.Framework.dll"/>