diff --git a/LICENSE.md b/LICENSE.md
index 3996297..be2b4bb 100755
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright 2017-2020 Alexander Luzgarev
+Copyright 2017-2025 Alexander Luzgarev
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
diff --git a/MatFileHandler/MatFileHandler.csproj b/MatFileHandler/MatFileHandler.csproj
index 62e831d..903b54f 100755
--- a/MatFileHandler/MatFileHandler.csproj
+++ b/MatFileHandler/MatFileHandler.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net461;net472</TargetFrameworks>
-    <PackageVersion>1.4.0-beta2</PackageVersion>
+    <PackageVersion>1.4.0-beta3</PackageVersion>
     <PackageId>MatFileHandler</PackageId>
     <Title>A library for reading and writing MATLAB .mat files.</Title>
     <Authors>Alexander Luzgarev</Authors>
@@ -15,7 +15,7 @@
     <OutputPath>bin\$(Configuration)\</OutputPath>
     <DocumentationFile>$(OutputPath)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <LangVersion>8.0</LangVersion>
+    <LangVersion>10.0</LangVersion>
     <Nullable>enable</Nullable>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>true</IncludeSymbols>