diff --git a/samples/durable-functions/dotnet/AiAgentTravelPlanOrchestrator/TravelPlannerFunctions.csproj b/samples/durable-functions/dotnet/AiAgentTravelPlanOrchestrator/TravelPlannerFunctions.csproj
index 4881d0a..95eebe0 100644
--- a/samples/durable-functions/dotnet/AiAgentTravelPlanOrchestrator/TravelPlannerFunctions.csproj
+++ b/samples/durable-functions/dotnet/AiAgentTravelPlanOrchestrator/TravelPlannerFunctions.csproj
@@ -22,7 +22,7 @@
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.7" />
     <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="3.0.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.ApplicationInsights" Version="2.50.0" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.DurableTask" Version="1.14.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.DurableTask" Version="1.15.0" />
     <PackageReference Include="Contrib.Grpc.Core.M1" Version="2.46.7" />
     <PackageReference Include="Grpc.Net.Client" Version="2.76.0" />
     <PackageReference Include="Microsoft.Extensions.Azure" Version="1.13.1" />