diff --git a/authentication/Authentication_PKCE/Sample.Auth.Pkce/Sample.Auth.Pkce.csproj b/authentication/Authentication_PKCE/Sample.Auth.Pkce/Sample.Auth.Pkce.csproj
index c30f5dc..0a783cf 100644
--- a/authentication/Authentication_PKCE/Sample.Auth.Pkce/Sample.Auth.Pkce.csproj
+++ b/authentication/Authentication_PKCE/Sample.Auth.Pkce/Sample.Auth.Pkce.csproj
@@ -50,20 +50,59 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.IdentityModel.Abstractions, Version=6.20.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.IdentityModel.Abstractions.6.20.0\lib\net472\Microsoft.IdentityModel.Abstractions.dll</HintPath>
+    <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.8.0.0\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="Microsoft.IdentityModel.Logging, Version=6.20.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.IdentityModel.Logging.6.20.0\lib\net472\Microsoft.IdentityModel.Logging.dll</HintPath>
+    <Reference Include="Microsoft.IdentityModel.Abstractions, Version=7.4.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
+      <HintPath>..\packages\Microsoft.IdentityModel.Abstractions.7.4.0\lib\net472\Microsoft.IdentityModel.Abstractions.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="Microsoft.IdentityModel.Tokens, Version=6.20.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.IdentityModel.Tokens.6.20.0\lib\net472\Microsoft.IdentityModel.Tokens.dll</HintPath>
+    <Reference Include="Microsoft.IdentityModel.Logging, Version=7.4.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
+      <HintPath>..\packages\Microsoft.IdentityModel.Logging.7.4.0\lib\net472\Microsoft.IdentityModel.Logging.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Microsoft.IdentityModel.Tokens, Version=7.4.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
+      <HintPath>..\packages\Microsoft.IdentityModel.Tokens.7.4.0\lib\net472\Microsoft.IdentityModel.Tokens.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Core" />
+    <Reference Include="System.Memory, Version=4.0.1.2, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Memory.4.5.5\lib\net461\System.Memory.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.0.0\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Text.Encodings.Web, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Text.Encodings.Web.8.0.0\lib\net462\System.Text.Encodings.Web.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Text.Json, Version=8.0.0.2, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Text.Json.8.0.2\lib\net462\System.Text.Json.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net47\System.ValueTuple.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
diff --git a/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config b/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config
index 8c4df68..ce03d88 100644
--- a/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config
+++ b/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config
@@ -1,7 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.IdentityModel.Abstractions" version="7.0.3" targetFramework="net48" />
-  <package id="Microsoft.IdentityModel.Logging" version="7.0.3" targetFramework="net48" />
-  <package id="Microsoft.IdentityModel.Tokens" version="7.0.3" targetFramework="net48" />
+  <package id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" targetFramework="net48" />
+  <package id="Microsoft.IdentityModel.Abstractions" version="7.4.0" targetFramework="net48" />
+  <package id="Microsoft.IdentityModel.Logging" version="7.4.0" targetFramework="net48" />
+  <package id="Microsoft.IdentityModel.Tokens" version="7.4.0" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net48" />
+  <package id="System.Buffers" version="4.5.1" targetFramework="net48" />
+  <package id="System.Memory" version="4.5.5" targetFramework="net48" />
+  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" targetFramework="net48" />
+  <package id="System.Text.Encodings.Web" version="8.0.0" targetFramework="net48" />
+  <package id="System.Text.Json" version="8.0.2" targetFramework="net48" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net48" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net48" />
 </packages>
\ No newline at end of file