diff --git a/5_More/Aspire/StartingAspireWithExistingAPI/Weather.ServiceDefaults/Weather.ServiceDefaults.csproj b/5_More/Aspire/StartingAspireWithExistingAPI/Weather.ServiceDefaults/Weather.ServiceDefaults.csproj
index 51d6cfe2..d382118c 100644
--- a/5_More/Aspire/StartingAspireWithExistingAPI/Weather.ServiceDefaults/Weather.ServiceDefaults.csproj
+++ b/5_More/Aspire/StartingAspireWithExistingAPI/Weather.ServiceDefaults/Weather.ServiceDefaults.csproj
@@ -12,7 +12,7 @@
 
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.4.0" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="9.2.1" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.11.2" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.3" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.11.2" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.11.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.11.1" />