diff --git a/Directory.Packages.props b/Directory.Packages.props
index 04e11f2..7c89ecd 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -4,11 +4,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageVersion Include="Aspire.Hosting.AppHost" Version="13.4.4" Condition="'$(MSBuildProjectName)' != 'TemporalioSamples.SampleAppHost'" />
+    <PackageVersion Include="Aspire.Hosting.AppHost" Version="13.4.6" Condition="'$(MSBuildProjectName)' != 'TemporalioSamples.SampleAppHost'" />
     <PackageVersion Include="AWSSDK.BedrockRuntime" Version="4.0.100" />
     <PackageVersion Include="coverlet.collector" Version="10.0.1" />
     <PackageVersion Include="MartinCostello.Logging.XUnit" Version="0.7.1" />
-    <PackageVersion Include="MessagePack" Version="2.5.301" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.28" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="10.0.9" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.9" />
diff --git a/src/AspireIntegrations/Temporal.Extensions.Aspire.Hosting/Temporal.Extensions.Aspire.Hosting.csproj b/src/AspireIntegrations/Temporal.Extensions.Aspire.Hosting/Temporal.Extensions.Aspire.Hosting.csproj
index da089cf..6f5e6dd 100644
--- a/src/AspireIntegrations/Temporal.Extensions.Aspire.Hosting/Temporal.Extensions.Aspire.Hosting.csproj
+++ b/src/AspireIntegrations/Temporal.Extensions.Aspire.Hosting/Temporal.Extensions.Aspire.Hosting.csproj
@@ -8,7 +8,6 @@
 
     <ItemGroup>
         <PackageReference Include="Aspire.Hosting.AppHost" />
-        <PackageReference Include="MessagePack" />
         <PackageReference Include="Microsoft.Extensions.Hosting" />
     </ItemGroup>
 </Project>
diff --git a/src/AspireIntegrations/TemporalioSamples.SampleAppHost/TemporalioSamples.SampleAppHost.csproj b/src/AspireIntegrations/TemporalioSamples.SampleAppHost/TemporalioSamples.SampleAppHost.csproj
index 621576e..4e39999 100644
--- a/src/AspireIntegrations/TemporalioSamples.SampleAppHost/TemporalioSamples.SampleAppHost.csproj
+++ b/src/AspireIntegrations/TemporalioSamples.SampleAppHost/TemporalioSamples.SampleAppHost.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Aspire.AppHost.Sdk/13.4.4">
+<Project Sdk="Aspire.AppHost.Sdk/13.4.6">
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>