diff --git a/RDFSharp/RDFSharp.csproj b/RDFSharp/RDFSharp.csproj
index cc7f9caa..ab774145 100644
--- a/RDFSharp/RDFSharp.csproj
+++ b/RDFSharp/RDFSharp.csproj
@@ -4,20 +4,22 @@
     <AssemblyTitle>RDFSharp</AssemblyTitle>
     <AssemblyName>RDFSharp</AssemblyName>
     <AssemblyVersion>$(Version)</AssemblyVersion>
-    <Version>2.14.0</Version>
+    <Version>2.13.1</Version>
     <Authors>Marco De Salvo</Authors>
     <Copyright>Marco De Salvo</Copyright>
     <Description>Lightweight and friendly .NET framework for modeling Semantic Web applications</Description>
     <TargetFramework>netstandard2.0</TargetFramework>
     <SignAssembly>false</SignAssembly>
     <Product>RDFSharp</Product>
-    <PackageProjectUrl>https://github.com/mdesalvo/RDFSharp</PackageProjectUrl>
-    <PublishRepositoryUrl>true</PublishRepositoryUrl>
-    <IncludeSymbols>true</IncludeSymbols>
+	<PackageId>RDFSharp</PackageId>
+    <PackageTags>rdf rdfs sparql shacl triplestore owl-dl ontology skos semantic-web</PackageTags>
+	<PackageProjectUrl>https://github.com/mdesalvo/RDFSharp</PackageProjectUrl>
+	<PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
+	<RepositoryUrl>https://github.com/mdesalvo/RDFSharp.git</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+	<IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-    <RepositoryUrl>https://github.com/mdesalvo/RDFSharp.git</RepositoryUrl>
-    <RepositoryType>git</RepositoryType>
-    <PackageTags>rdf rdfs sparql shacl triplestore owl-dl ontology skos semantic-web</PackageTags>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">