diff --git a/Configuration/GlobalAssemblyInfo.cs b/Configuration/GlobalAssemblyInfo.cs
index a27a8773e..f30019a35 100644
--- a/Configuration/GlobalAssemblyInfo.cs
+++ b/Configuration/GlobalAssemblyInfo.cs
@@ -15,7 +15,7 @@ internal static class RevisionClass
 	public const string Major = "3";
 	public const string Minor = "7";
 	public const string Build = "1";
-	public const string Revision = "2774";
+	public const string Revision = "2777";
 
         public const string MainVersion = Major + "." + Minor;
 	public const string FullVersion = Major + "." + Minor + "." + Build + "." + Revision;
diff --git a/Configuration/Version.defs b/Configuration/Version.defs
index a5491d713..6b78539f2 100644
--- a/Configuration/Version.defs
+++ b/Configuration/Version.defs
@@ -1,4 +1,4 @@
-%COREVERSION%=1
-%REVISION%=2774
 %MINOR%=7
+%REVISION%=2777
+%COREVERSION%=1
 %MAJOR%=3
diff --git a/Localization/DefaultLang.resources b/Localization/DefaultLang.resources
index 5df1232af..0ee36b216 100644
Binary files a/Localization/DefaultLang.resources and b/Localization/DefaultLang.resources differ
diff --git a/Release/pabcversion.txt b/Release/pabcversion.txt
index 8b909ebca..5ed994f38 100644
--- a/Release/pabcversion.txt
+++ b/Release/pabcversion.txt
@@ -1 +1 @@
-3.7.1.2774
+3.7.1.2777
diff --git a/ReleaseGenerators/PascalABCNET_version.nsh b/ReleaseGenerators/PascalABCNET_version.nsh
index 024cacfdf..a8df5df33 100644
--- a/ReleaseGenerators/PascalABCNET_version.nsh
+++ b/ReleaseGenerators/PascalABCNET_version.nsh
@@ -1 +1 @@
-!define VERSION '3.7.1.2774'
+!define VERSION '3.7.1.2777'
diff --git a/bin/Lib/HelixToolkit.Wpf.dll b/bin/Lib/HelixToolkit.Wpf.dll
index 3c3f05196..e81c1be89 100644
Binary files a/bin/Lib/HelixToolkit.Wpf.dll and b/bin/Lib/HelixToolkit.Wpf.dll differ
diff --git a/bin/Lib/HelixToolkit.dll b/bin/Lib/HelixToolkit.dll
index 131817b54..557c036dd 100644
Binary files a/bin/Lib/HelixToolkit.dll and b/bin/Lib/HelixToolkit.dll differ