diff --git a/appveyor.yml b/appveyor.yml
index 15032bf..2ccc8b1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 1.1.{build}
+version: 2.0.{build}
 skip_tags: true
 skip_branch_with_pr: true
 test: off
diff --git a/package.json b/package.json
index 6a53dd7..897deee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "graphql-authorization",
-  "version": "1.1",
+  "version": "2.0",
   "main": "index.js",
   "repository": "git@github.com:graphql-dotnet/authorization.git",
   "author": "Joe McBride <joe@uicraftsman.com>",
diff --git a/src/GraphQL.Authorization/AuthorizationMetadataExtensions.cs b/src/GraphQL.Authorization/AuthorizationMetadataExtensions.cs
index 8f28604..4a513ae 100644
--- a/src/GraphQL.Authorization/AuthorizationMetadataExtensions.cs
+++ b/src/GraphQL.Authorization/AuthorizationMetadataExtensions.cs
@@ -30,7 +30,10 @@ public static Task<AuthorizationResult> Authorize(
         public static void AuthorizeWith(this IProvideMetadata type, string policy)
         {
             var list = GetPolicies(type);
-            list.Fill(policy);
+            if(!list.Contains(policy))
+            {
+                list.Add(policy);
+            }
             type.Metadata[PolicyKey] = list;
         }
 
diff --git a/src/GraphQL.Authorization/GraphQL.Authorization.csproj b/src/GraphQL.Authorization/GraphQL.Authorization.csproj
index 782de4e..ab2b972 100644
--- a/src/GraphQL.Authorization/GraphQL.Authorization.csproj
+++ b/src/GraphQL.Authorization/GraphQL.Authorization.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>A toolset for authorizing access to graph types for GraphQL .NET</Description>
-    <VersionPrefix>1.1</VersionPrefix>
+    <VersionPrefix>2.0</VersionPrefix>
     <Authors>Joe McBride</Authors>
     <TargetFrameworks>netstandard1.3;net46</TargetFrameworks>
     <AssemblyName>GraphQL.Authorization</AssemblyName>
@@ -24,7 +24,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="GraphQL" Version="2.0.0" />
+    <PackageReference Include="GraphQL" Version="2.3.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
diff --git a/src/Harness/Harness.csproj b/src/Harness/Harness.csproj
index 3ffb5f0..9f140f3 100644
--- a/src/Harness/Harness.csproj
+++ b/src/Harness/Harness.csproj
@@ -13,10 +13,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="GraphQL" Version="2.0.0" />
+    <PackageReference Include="GraphQL" Version="2.3.0" />
     <PackageReference Include="GraphQL.Server.Ui.GraphiQL" Version="3.1.0" />
     <PackageReference Include="GraphQL.Server.Transports.AspNetCore" Version="3.1.0" />
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
   </ItemGroup>
 
   <ItemGroup>