diff --git a/src/Orleans.StateMachineES/Orleans.StateMachineES.csproj b/src/Orleans.StateMachineES/Orleans.StateMachineES.csproj
index 6c21d0f..1b98724 100644
--- a/src/Orleans.StateMachineES/Orleans.StateMachineES.csproj
+++ b/src/Orleans.StateMachineES/Orleans.StateMachineES.csproj
@@ -33,12 +33,12 @@
     <PackageReference Include="Stateless" Version="5.17.0" />
     
     <!-- OpenTelemetry packages for distributed tracing and metrics -->
-    <PackageReference Include="OpenTelemetry" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry" Version="1.15.3" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Exporter.Jaeger" Version="1.5.1" />
-    <PackageReference Include="OpenTelemetry.Exporter.Zipkin" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.Zipkin" Version="1.15.3" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.9.0" />
   </ItemGroup>