diff --git a/src/CloudActors.Streamstone/CloudActors.Streamstone.csproj b/src/CloudActors.Streamstone/CloudActors.Streamstone.csproj
index d3e5a32..97fe598 100644
--- a/src/CloudActors.Streamstone/CloudActors.Streamstone.csproj
+++ b/src/CloudActors.Streamstone/CloudActors.Streamstone.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Devlooped.CloudStorageAccount" Version="1.2.0" />
-    <PackageReference Include="Microsoft.Orleans.Runtime" Version="7.2.1" />
+    <PackageReference Include="Microsoft.Orleans.Runtime" Version="7.2.6" />
     <PackageReference Include="NuGetizer" Version="1.2.0" />
     <PackageReference Include="Streamstone" Version="3.0.0" />
   </ItemGroup>
diff --git a/src/CloudActors/CloudActors.csproj b/src/CloudActors/CloudActors.csproj
index 32b0e9f..dc07a81 100644
--- a/src/CloudActors/CloudActors.csproj
+++ b/src/CloudActors/CloudActors.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="NuGetizer" Version="1.2.0" />
-    <PackageReference Include="Microsoft.Orleans.Serialization.Abstractions" Version="7.2.1" />
+    <PackageReference Include="Microsoft.Orleans.Serialization.Abstractions" Version="8.1.0" />
     <PackageReference Include="PolySharp" PrivateAssets="All" Version="1.13.2" />
   </ItemGroup>
 
diff --git a/src/Tests/Tests.csproj b/src/Tests/Tests.csproj
index a9dc590..608f534 100644
--- a/src/Tests/Tests.csproj
+++ b/src/Tests/Tests.csproj
@@ -8,12 +8,12 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-    <PackageReference Include="Microsoft.Orleans.TestingHost" Version="7.2.1" />
+    <PackageReference Include="Microsoft.Orleans.TestingHost" Version="8.1.0" />
     <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="xunit" Version="2.8.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1" />
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
-    <PackageReference Include="Microsoft.Orleans.Client" Version="7.2.1" />
+    <PackageReference Include="Microsoft.Orleans.Client" Version="8.1.0" />
     <PackageReference Include="Microsoft.Orleans.Server" Version="7.2.6" />
   </ItemGroup>