diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 0d8117ae3..000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-version: 1.0.{build}-{branch}
-branches:
-  only:
-  - dev
-  - master
-image: Visual Studio 2017
-
-before_build:
-- cmd: >-
-    nuget restore
-build:
-  verbosity: minimal
-
-test:
-  assemblies:
-    only:
-    - tests/Microsoft.Graph.Core.Test/bin/Debug/Microsoft.Graph.Core.dll
-    - tests/Microsoft.Graph.Test/bin/Debug/Microsoft.Graph.Test.dll
-after_test:
-- cmd: >-
-    cd tests/Microsoft.Graph.DotnetCore.Test
-
-    dotnet test
-
-    cd ../Microsoft.Graph.DotnetCore.Core.Test
-
-    dotnet test
-
-notifications:
-
-  # Email
-  - provider: Email
-    to:
-      - mmainer@microsoft.com
-      # - user2@email.com
-    subject: 'Microsoft.Graph Build {{status}}'                  # optional
-    message: "Commit {{commitId}} {{status}}."    # optional
-    on_build_status_changed: true
\ No newline at end of file
diff --git a/pipelines/productionBuild.yml b/pipelines/productionBuild.yml
index 0b5bf9eb5..93697f300 100644
--- a/pipelines/productionBuild.yml
+++ b/pipelines/productionBuild.yml
@@ -65,6 +65,7 @@ extends:
               echo "##vso[task.setvariable variable=JAVA_HOME]$(JAVA_HOME_11_X64)"
               echo "##vso[task.setvariable variable=PATH]$(JAVA_HOME_11_X64)\bin;$(PATH)"
         - task: PowerShell@2
+          condition: and(contains(variables['build.sourceBranch'], 'refs/heads/master'), succeeded())
           displayName: 'Validate updated version'
           inputs:
             targetType: filePath
diff --git a/src/Microsoft.Graph.Core/Microsoft.Graph.Core.csproj b/src/Microsoft.Graph.Core/Microsoft.Graph.Core.csproj
index 192cc44bf..4b6fde9d4 100644
--- a/src/Microsoft.Graph.Core/Microsoft.Graph.Core.csproj
+++ b/src/Microsoft.Graph.Core/Microsoft.Graph.Core.csproj
@@ -64,12 +64,12 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.0.1" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
-    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.10.0" />
-    <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.10.0" />
-    <PackageReference Include="Microsoft.Kiota.Serialization.Json" Version="1.10.0" />
-    <PackageReference Include="Microsoft.Kiota.Serialization.Text" Version="1.9.11" />
-    <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.9.11" />
-    <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.10.0" />
+    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.10.1" />
+    <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.10.1" />
+    <PackageReference Include="Microsoft.Kiota.Serialization.Json" Version="1.10.1" />
+    <PackageReference Include="Microsoft.Kiota.Serialization.Text" Version="1.10.1" />
+    <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.10.1" />
+    <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.10.1" />
     <PackageReference Include="Microsoft.Kiota.Serialization.Multipart" Version="1.9.11" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net462' ">
diff --git a/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumType.cs b/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumType.cs
index a91e10082..ce69f97ba 100644
--- a/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumType.cs
+++ b/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumType.cs
@@ -3,6 +3,8 @@
 // ------------------------------------------------------------------------------
 
 
+using System.Runtime.Serialization;
+
 namespace Microsoft.Graph.DotnetCore.Core.Test.TestModels
 {
     /// <summary>
@@ -10,6 +12,7 @@ namespace Microsoft.Graph.DotnetCore.Core.Test.TestModels
     /// </summary>
     public enum EnumType
     {
+        [EnumMember(Value = "value")]
         Value,
     }
 }
diff --git a/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumTypeWithFlags.cs b/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumTypeWithFlags.cs
index ba0bf4c42..8cb8dd0ca 100644
--- a/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumTypeWithFlags.cs
+++ b/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/EnumTypeWithFlags.cs
@@ -3,6 +3,8 @@
 // ------------------------------------------------------------------------------
 
 
+using System.Runtime.Serialization;
+
 namespace Microsoft.Graph.DotnetCore.Core.Test.TestModels
 {
     /// <summary>
@@ -11,8 +13,9 @@ namespace Microsoft.Graph.DotnetCore.Core.Test.TestModels
     [System.Flags]
     public enum EnumTypeWithFlags
     {
+        [EnumMember(Value = "firstValue")]
         FirstValue = 1,
-
+        [EnumMember(Value = "secondValue")]
         SecondValue = 2
     }
 }
\ No newline at end of file
diff --git a/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/ServiceModels/TestBodyType.cs b/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/ServiceModels/TestBodyType.cs
index 430e80121..2a9960e0f 100644
--- a/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/ServiceModels/TestBodyType.cs
+++ b/tests/Microsoft.Graph.DotnetCore.Core.Test/TestModels/ServiceModels/TestBodyType.cs
@@ -2,6 +2,8 @@
 //  Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.  See License in the project root for license information.
 // ------------------------------------------------------------------------------
 
+using System.Runtime.Serialization;
+
 namespace Microsoft.Graph.DotnetCore.Core.Test.TestModels.ServiceModels
 {
     /// <summary>
@@ -13,11 +15,13 @@ public enum TestBodyType
         /// <summary>
         /// Text
         /// </summary>
+        [EnumMember(Value = "text")]
         Text = 0,
 
         /// <summary>
         /// Html
         /// </summary>
+        [EnumMember(Value = "html")]
         Html = 1,
 
     }