diff --git a/build.cake b/build.cake
index efd9e76b..2052f340 100644
--- a/build.cake
+++ b/build.cake
@@ -1,5 +1,5 @@
 #tool "nuget:?package=GitVersion.CommandLine&version=5.0.1"
-#addin nuget:?package=Cake.Json
+#addin nuget:?package=Cake.Json&version=4.0.0
 #addin nuget:?package=Newtonsoft.Json
 #addin nuget:?package=System.Net.Http&version=4.3.4
 #addin nuget:?package=System.Text.Encodings.Web&version=4.7.1
@@ -95,7 +95,10 @@ Task("Clean")
 	{
         if (DirectoryExists(artifactsDir))
         {
-            DeleteDirectory(artifactsDir, recursive:true);
+            DeleteDirectory(artifactsDir, new DeleteDirectorySettings {
+				Recursive = true,
+				Force = true
+			});
         }
         CreateDirectory(artifactsDir);
 	});
diff --git a/src/Ocelot.Administration/Ocelot.Administration.csproj b/src/Ocelot.Administration/Ocelot.Administration.csproj
index 8d5b7aa5..821e069c 100644
--- a/src/Ocelot.Administration/Ocelot.Administration.csproj
+++ b/src/Ocelot.Administration/Ocelot.Administration.csproj
@@ -9,7 +9,6 @@
     <PackageId>Ocelot.Administration</PackageId>
     <PackageTags>API Gateway;.NET core</PackageTags>
     <PackageProjectUrl>https://github.com/ThreeMammals/Ocelot.Administration</PackageProjectUrl>
-    <PackageProjectUrl>https://github.com/ThreeMammals/Ocelot.Administration</PackageProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/ThreeMammals/Ocelot/develop/images/ocelot_logo.png</PackageIconUrl>
     <RuntimeIdentifiers>win10-x64;osx.10.11-x64;osx.10.12-x64;win7-x64</RuntimeIdentifiers>
     <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
diff --git a/src/Ocelot.Provider.Consul/Ocelot.Provider.Consul.csproj b/src/Ocelot.Provider.Consul/Ocelot.Provider.Consul.csproj
index bc473ad8..01f35eb4 100644
--- a/src/Ocelot.Provider.Consul/Ocelot.Provider.Consul.csproj
+++ b/src/Ocelot.Provider.Consul/Ocelot.Provider.Consul.csproj
@@ -9,7 +9,6 @@
     <PackageId>Ocelot.Provider.Consul</PackageId>
     <PackageTags>API Gateway;.NET core</PackageTags>
     <PackageProjectUrl>https://github.com/ThreeMammals/Ocelot.Provider.Consul</PackageProjectUrl>
-    <PackageProjectUrl>https://github.com/ThreeMammals/Ocelot.Provider.Consul</PackageProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/ThreeMammals/Ocelot/develop/images/ocelot_logo.png</PackageIconUrl>
     <RuntimeIdentifiers>win10-x64;osx.10.11-x64;osx.10.12-x64;win7-x64</RuntimeIdentifiers>
     <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>