diff --git a/Chapter10/ModelContextProtocol/ModelContextProtocol.ServiceDefaults/ModelContextProtocol.ServiceDefaults.csproj b/Chapter10/ModelContextProtocol/ModelContextProtocol.ServiceDefaults/ModelContextProtocol.ServiceDefaults.csproj
index 4daf4f7..fe724d9 100644
--- a/Chapter10/ModelContextProtocol/ModelContextProtocol.ServiceDefaults/ModelContextProtocol.ServiceDefaults.csproj
+++ b/Chapter10/ModelContextProtocol/ModelContextProtocol.ServiceDefaults/ModelContextProtocol.ServiceDefaults.csproj
@@ -12,7 +12,7 @@
 
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="10.0.0" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="10.0.0" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.3" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.9.0" />