diff --git a/workshop/Lesson-04-ServiceDiscovery/code/ServiceDefaults/ServiceDefaults.csproj b/workshop/Lesson-04-ServiceDiscovery/code/ServiceDefaults/ServiceDefaults.csproj
index 2fd57a7..a45fa92 100644
--- a/workshop/Lesson-04-ServiceDiscovery/code/ServiceDefaults/ServiceDefaults.csproj
+++ b/workshop/Lesson-04-ServiceDiscovery/code/ServiceDefaults/ServiceDefaults.csproj
@@ -12,7 +12,7 @@
 
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="10.2.0" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="10.2.0" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.13.1" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.0" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.13.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.13.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.13.0" />