diff --git a/7/Api/Api.csproj b/7/Api/Api.csproj
index c19e5734..057527d3 100644
--- a/7/Api/Api.csproj
+++ b/7/Api/Api.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Orleans.Core" Version="3.6.0" />
+    <PackageReference Include="Microsoft.Orleans.Core" Version="7.1.0" />
   </ItemGroup>
 
   <ItemGroup>