diff --git a/ChatController/ChatController.csproj b/ChatController/ChatController.csproj
index eae6e56..39970db 100644
--- a/ChatController/ChatController.csproj
+++ b/ChatController/ChatController.csproj
@@ -37,9 +37,6 @@
     <StartupObject />
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="DevExpress.Mvvm.v17.1, Version=17.1.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a, processorArchitecture=MSIL">
-      <Private>False</Private>
-    </Reference>
     <Reference Include="Newtonsoft.Json">
       <HintPath>..\libs\Newtonsoft.Json.dll</HintPath>
     </Reference>
diff --git a/ChatController/LoginControl.xaml.cs b/ChatController/LoginControl.xaml.cs
index 8d0d4de..7ed0ba1 100644
--- a/ChatController/LoginControl.xaml.cs
+++ b/ChatController/LoginControl.xaml.cs
@@ -79,7 +79,7 @@ namespace ChatController
         private string _Benutzername       = string.Empty;
         private string _ChatCode           = string.Empty;
         private string _Kundennummer       = string.Empty;
-        private readonly string _Version       = "1.5";
+        private readonly string _Version       = "1.6";
 
         public string Version => $"Version: {_Version}";
 
diff --git a/PrototypChat/PrototypChat.csproj b/PrototypChat/PrototypChat.csproj
index 25b7714..eb4f7e2 100644
--- a/PrototypChat/PrototypChat.csproj
+++ b/PrototypChat/PrototypChat.csproj
@@ -25,11 +25,11 @@
     <UpdatePeriodically>false</UpdatePeriodically>
     <UpdateRequired>true</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
-    <InstallUrl>http://app.beyondsoft.de/ownChat/test/</InstallUrl>
+    <InstallUrl>http://app.beyondsoft.de/ownChat/</InstallUrl>
     <ProductName>ownChat Desktop</ProductName>
     <PublisherName>beyondSoft GmbH</PublisherName>
-    <MinimumRequiredVersion>1.0.0.25</MinimumRequiredVersion>
-    <ApplicationRevision>26</ApplicationRevision>
+    <MinimumRequiredVersion>1.0.0.27</MinimumRequiredVersion>
+    <ApplicationRevision>28</ApplicationRevision>
     <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <CreateDesktopShortcut>true</CreateDesktopShortcut>
diff --git a/PrototypChat/PrototypChat.csproj.user b/PrototypChat/PrototypChat.csproj.user
index 7da2cf8..90b77d4 100644
--- a/PrototypChat/PrototypChat.csproj.user
+++ b/PrototypChat/PrototypChat.csproj.user
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <EnableSecurityDebugging>false</EnableSecurityDebugging>
     <PublishUrlHistory>D:\Projects\beyondSoft\Chat\publish\</PublishUrlHistory>
-    <InstallUrlHistory>http://app.beyondsoft.de/ownChat/test/|http://app.beyondsoft.de/ownChat/|https://app5.bewoplaner.de/chat/</InstallUrlHistory>
+    <InstallUrlHistory>http://app.beyondsoft.de/ownChat/|http://app.beyondsoft.de/ownChat/test/|https://app5.bewoplaner.de/chat/</InstallUrlHistory>
     <SupportUrlHistory />
     <UpdateUrlHistory />
     <BootstrapperUrlHistory />
diff --git a/libs/Newtonsoft.Json.dll b/libs/Newtonsoft.Json.dll
index e4a6339..7af125a 100644
Binary files a/libs/Newtonsoft.Json.dll and b/libs/Newtonsoft.Json.dll differ