diff --git a/src/IniParser.Example/IniParser.Example.csproj b/src/IniParser.Example/IniParser.Example.csproj
index 4778794e..1e793dd0 100644
--- a/src/IniParser.Example/IniParser.Example.csproj
+++ b/src/IniParser.Example/IniParser.Example.csproj
@@ -8,10 +8,10 @@
 
   <!-- Auto-select supported target frameworks based on MSBuild version -->
   <PropertyGroup Condition="'$(MSBuildRuntimeType)'=='Core'">
-    <TargetFrameworks>netcoreapp2.0</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
     <PropertyGroup Condition="'$(MSBuildRuntimeType)'!='Core'">
-    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
+    <TargetFrameworks>net48;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
     <ItemGroup>
       <ProjectReference Include="..\IniParser\IniParser.csproj" />
diff --git a/src/IniParser.Tests/IniParser.Tests.csproj b/src/IniParser.Tests/IniParser.Tests.csproj
index 62ba1f6c..9bd4b91f 100644
--- a/src/IniParser.Tests/IniParser.Tests.csproj
+++ b/src/IniParser.Tests/IniParser.Tests.csproj
@@ -3,22 +3,22 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <IsPackable>False</IsPackable>
-    <ReleaseVersion></ReleaseVersion>
+    <ReleaseVersion></ReleaseVersion>    
   </PropertyGroup>
 
   <!-- Auto-select supported target frameworks based on MSBuild version -->
   <PropertyGroup Condition="'$(MSBuildRuntimeType)'=='Core'">
-    <TargetFrameworks>netcoreapp2.0</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
     <PropertyGroup Condition="'$(MSBuildRuntimeType)'!='Core'">
-    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
+    <TargetFrameworks>net48;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0" />
-    <PackageReference Include="NUnit" Version="3.9.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
-    <PackageReference Include="NUnit.ConsoleRunner" Version="3.10.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
+    <PackageReference Include="NUnit" Version="3.13.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
+    <PackageReference Include="NUnit.ConsoleRunner" Version="3.12.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/IniParser/IniParser.csproj b/src/IniParser/IniParser.csproj
index c2a561bf..0fea826a 100644
--- a/src/IniParser/IniParser.csproj
+++ b/src/IniParser/IniParser.csproj
@@ -11,7 +11,7 @@ Also implements merging operations, both for complete ini files, sections, or ev
 		<Authors>Ricardo Amores Hernández</Authors>
 		<PackageProjectUrl>https://github.com/rickyah/ini-parser</PackageProjectUrl>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
-		<PackageIconUrl>https://raw.githubusercontent.com/rickyah/ini-parser/development/nuget-ini-icon.png</PackageIconUrl>
+		<PackageIcon>https://raw.githubusercontent.com/rickyah/ini-parser/development/nuget-ini-icon.png</PackageIcon>
 		<Version>3.0</Version>
 		<SignAssembly>True</SignAssembly>
 		<AssemblyOriginatorKeyFile>Properties\publickey.snk</AssemblyOriginatorKeyFile>