diff --git a/RWhoisClient.Console/RWhoisConsole.csproj b/RWhoisClient.Console/RWhoisConsole.csproj
index be004c6..4bea470 100644
--- a/RWhoisClient.Console/RWhoisConsole.csproj
+++ b/RWhoisClient.Console/RWhoisConsole.csproj
@@ -26,7 +26,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net45|AnyCPU' ">
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release-Net45\</OutputPath>
diff --git a/RWhoisCrawler/RWhoisCrawler.csproj b/RWhoisCrawler/RWhoisCrawler.csproj
index 054acb8..c678cba 100644
--- a/RWhoisCrawler/RWhoisCrawler.csproj
+++ b/RWhoisCrawler/RWhoisCrawler.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <ProjectGuid>{AEE17B72-20A3-48AE-9303-0CD7739DECA0}</ProjectGuid>
+    <ProjectGuid>{E64568F2-44D6-49D0-963D-951F7A7FD856}</ProjectGuid>
     <PackageId>Microsoft.Geolocation.RWhois.Crawler</PackageId>
     <Description>Parsers to read Whois and RWhois records from bulk whois database dumps of IANA organizations (ARIN, AFRINIC, APNIC, LACNIC, RIPE )</Description>
     <Company>Microsoft</Company>
diff --git a/WhoisDatabaseParsers.Tests/WhoisDatabaseParsers.Tests.csproj b/WhoisDatabaseParsers.Tests/WhoisDatabaseParsers.Tests.csproj
index 2f89c32..72f22b4 100644
--- a/WhoisDatabaseParsers.Tests/WhoisDatabaseParsers.Tests.csproj
+++ b/WhoisDatabaseParsers.Tests/WhoisDatabaseParsers.Tests.csproj
@@ -32,7 +32,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net45|AnyCPU' ">
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
diff --git a/WhoisNormalization.Tests/WhoisNormalization.Tests.csproj b/WhoisNormalization.Tests/WhoisNormalization.Tests.csproj
index e5559e5..59c8c2d 100644
--- a/WhoisNormalization.Tests/WhoisNormalization.Tests.csproj
+++ b/WhoisNormalization.Tests/WhoisNormalization.Tests.csproj
@@ -32,7 +32,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net45|AnyCPU' ">
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
diff --git a/WhoisUtils.Tests/WhoisUtils.Tests.csproj b/WhoisUtils.Tests/WhoisUtils.Tests.csproj
index b206bb9..6a4b43c 100644
--- a/WhoisUtils.Tests/WhoisUtils.Tests.csproj
+++ b/WhoisUtils.Tests/WhoisUtils.Tests.csproj
@@ -32,7 +32,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net45|AnyCPU' ">
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
diff --git a/nuget/WhoisParsers.nuspec b/nuget/WhoisParsers.nuspec
index 3f3a0c2..e51b382 100644
--- a/nuget/WhoisParsers.nuspec
+++ b/nuget/WhoisParsers.nuspec
@@ -50,26 +50,26 @@
       
       <!-- .NET 4.5 -->
       
-      <file src="..\RWhoisClient\bin\Release-Net45\Microsoft.Geolocation.RWhois.Client.dll" target="lib\net45" />
-      <file src="..\RWhoisClient\bin\Release-Net45\Microsoft.Geolocation.RWhois.Client.pdb" target="lib\net45" />
+      <file src="..\RWhoisClient\bin\Release\netstandard2.0\Microsoft.Geolocation.RWhois.Client.dll" target="lib\netstandard2.0" />
+      <file src="..\RWhoisClient\bin\Release\netstandard2.0\Microsoft.Geolocation.RWhois.Client.pdb" target="lib\netstandard2.0" />
       
-      <file src="..\RWhoisCrawler\bin\Release-Net45\Microsoft.Geolocation.RWhois.Crawler.dll" target="lib\net45" />
-      <file src="..\RWhoisCrawler\bin\Release-Net45\Microsoft.Geolocation.RWhois.Crawler.pdb" target="lib\net45" />
+      <file src="..\RWhoisCrawler\bin\Release\netstandard2.0\Microsoft.Geolocation.RWhois.Crawler.dll" target="lib\netstandard2.0" />
+      <file src="..\RWhoisCrawler\bin\Release\netstandard2.0\Microsoft.Geolocation.RWhois.Crawler.pdb" target="lib\netstandard2.0" />
       
-      <file src="..\WhoisDatabaseParsers\bin\Release-Net45\Microsoft.Geolocation.Whois.Parsers.dll" target="lib\net45" />
-      <file src="..\WhoisDatabaseParsers\bin\Release-Net45\Microsoft.Geolocation.Whois.Parsers.pdb" target="lib\net45" />
+      <file src="..\WhoisDatabaseParsers\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Parsers.dll" target="lib\netstandard2.0" />
+      <file src="..\WhoisDatabaseParsers\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Parsers.pdb" target="lib\netstandard2.0" />
       
-      <file src="..\WhoisUtils\bin\Release-Net45\Microsoft.Geolocation.Whois.Utils.dll" target="lib\net45" />
-      <file src="..\WhoisUtils\bin\Release-Net45\Microsoft.Geolocation.Whois.Utils.pdb" target="lib\net45" />
+      <file src="..\WhoisUtils\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Utils.dll" target="lib\netstandard2.0" />
+      <file src="..\WhoisUtils\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Utils.pdb" target="lib\netstandard2.0" />
 
-      <file src="..\WhoisTsvExport\bin\Release-Net45\Microsoft.Geolocation.Whois.TsvExport.dll" target="lib\net45" />
-      <file src="..\WhoisTsvExport\bin\Release-Net45\Microsoft.Geolocation.Whois.TsvExport.pdb" target="lib\net45" />
+      <file src="..\WhoisTsvExport\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.TsvExport.dll" target="lib\netstandard2.0" />
+      <file src="..\WhoisTsvExport\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.TsvExport.pdb" target="lib\netstandard2.0" />
 
-      <file src="..\WhoisDownload\bin\Release-Net45\Microsoft.Geolocation.Whois.Download.dll" target="lib\net45" />
-      <file src="..\WhoisDownload\bin\Release-Net45\Microsoft.Geolocation.Whois.Download.pdb" target="lib\net45" />
+      <file src="..\WhoisDownload\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Download.dll" target="lib\netstandard2.0" />
+      <file src="..\WhoisDownload\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Download.pdb" target="lib\netstandard2.0" />
 
-      <file src="..\WhoisNormalization\bin\Release-Net45\Microsoft.Geolocation.Whois.Normalization.dll" target="lib\net45" />
-      <file src="..\WhoisNormalization\bin\Release-Net45\Microsoft.Geolocation.Whois.Normalization.pdb" target="lib\net45" />
+      <file src="..\WhoisNormalization\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Normalization.dll" target="lib\netstandard2.0" />
+      <file src="..\WhoisNormalization\bin\Release\netstandard2.0\Microsoft.Geolocation.Whois.Normalization.pdb" target="lib\netstandard2.0" />
       
       <!-- Source -->