diff --git a/samples/dotnet/token-refresh/src/token-refresh.csproj b/samples/dotnet/token-refresh/src/token-refresh.csproj
index d4a57c4..9504820 100644
--- a/samples/dotnet/token-refresh/src/token-refresh.csproj
+++ b/samples/dotnet/token-refresh/src/token-refresh.csproj
@@ -9,6 +9,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="10.0.0" />
     <PackageReference Include="DotNetEnv" Version="3.1.1" />
-    <PackageReference Include="Duende.IdentityModel" Version="7.0.0" />
+    <PackageReference Include="Duende.IdentityModel" Version="8.1.0" />
   </ItemGroup>
 </Project>