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..ef089ac 100644
--- a/authentication/Authentication_PKCE/Sample.Auth.Pkce/Sample.Auth.Pkce.csproj
+++ b/authentication/Authentication_PKCE/Sample.Auth.Pkce/Sample.Auth.Pkce.csproj
@@ -50,11 +50,13 @@
     <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.IdentityModel.Abstractions, Version=7.5.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
+      <HintPath>..\packages\Microsoft.IdentityModel.Abstractions.7.5.1\lib\net472\Microsoft.IdentityModel.Abstractions.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.Logging, Version=7.5.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
+      <HintPath>..\packages\Microsoft.IdentityModel.Logging.7.5.1\lib\net472\Microsoft.IdentityModel.Logging.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>
diff --git a/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config b/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config
index 8c4df68..8d11396 100644
--- a/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config
+++ b/authentication/Authentication_PKCE/Sample.Auth.Pkce/packages.config
@@ -1,7 +1,7 @@
 <?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.Abstractions" version="7.5.1" targetFramework="net48" />
+  <package id="Microsoft.IdentityModel.Logging" version="7.5.1" targetFramework="net48" />
   <package id="Microsoft.IdentityModel.Tokens" version="7.0.3" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net48" />
 </packages>
\ No newline at end of file