diff --git a/3/Interfaces/Interfaces.csproj b/3/Interfaces/Interfaces.csproj
index 5d214c44..d5e9bac0 100644
--- a/3/Interfaces/Interfaces.csproj
+++ b/3/Interfaces/Interfaces.csproj
@@ -9,7 +9,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Orleans.Core.Abstractions" Version="3.6.0" />
+    <PackageReference Include="Microsoft.Orleans.Core.Abstractions" Version="7.1.0" />
   </ItemGroup>
 
 </Project>