diff --git a/Directory.Packages.props b/Directory.Packages.props
index a4a6b27..421c57c 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -28,7 +28,7 @@
   <!-- Durable workflows: Temporal. No Aspire integration package exists; the Temporal server
        is wired as a custom container in the AppHost. Temporalio.* is the worker/client SDK. -->
   <ItemGroup>
-    <PackageVersion Include="Temporalio" Version="1.5.0" />
+    <PackageVersion Include="Temporalio" Version="1.15.0" />
     <PackageVersion Include="Temporalio.Extensions.Hosting" Version="1.5.0" />
   </ItemGroup>