Use minver.

Author: viceice

Directory.Build.props

@@ -1,11 +1,9 @@
 <Project>
     <PropertyGroup>
-        <VersionPrefix Condition="'$(VersionPrefix)' == ''">1.0.0</VersionPrefix>
-        <Version Condition="'$(APPVEYOR_BUILD_VERSION)' != ''">$(APPVEYOR_BUILD_VERSION)</Version>
-        <AssemblyVersion>1.0.0.0</AssemblyVersion>
+        <MinVerMinimumMajorMinor>1.0</MinVerMinimumMajorMinor>
 
         <Authors>ProductiveRage; VisualOn GmbH</Authors>
-        <Copyright>Copyright © VisualOn GmbH 2018</Copyright>
+        <Copyright>Copyright © VisualOn GmbH 2019</Copyright>
 
         <PackageIconUrl>https://visualon.github.io/img/nuget.png</PackageIconUrl>
         <PackageProjectUrl>https://github.com/VisualOn/cssparser</PackageProjectUrl>
@@ -25,4 +23,8 @@
         <SignAssembly>true</SignAssembly>
         <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)CSSParser.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
+
+     <ItemGroup>
+        <PackageReference Include="MinVer" Version="1.0.0-beta.4" PrivateAssets="All" />
+    </ItemGroup>
 </Project>