diff --git a/test/distrib/csharp/DistribTest/DistribTest.csproj b/test/distrib/csharp/DistribTest/DistribTest.csproj
index 0bff9ff3e0b..d18bb05be68 100644
--- a/test/distrib/csharp/DistribTest/DistribTest.csproj
+++ b/test/distrib/csharp/DistribTest/DistribTest.csproj
@@ -62,6 +62,9 @@
     <Reference Include="Grpc.Core">
       <HintPath>..\packages\Grpc.Core.__GRPC_NUGET_VERSION__\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
+    <Reference Include="Grpc.Core.Api">
+      <HintPath>..\packages\Grpc.Core.Api.__GRPC_NUGET_VERSION__\lib\net45\Grpc.Core.Api.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Interactive.Async">
diff --git a/test/distrib/csharp/DistribTest/packages.config b/test/distrib/csharp/DistribTest/packages.config
index 3cb2c46bcf0..134add7504d 100644
--- a/test/distrib/csharp/DistribTest/packages.config
+++ b/test/distrib/csharp/DistribTest/packages.config
@@ -6,6 +6,7 @@
   <package id="Grpc" version="__GRPC_NUGET_VERSION__" targetFramework="net45" />
   <package id="Grpc.Auth" version="__GRPC_NUGET_VERSION__" targetFramework="net45" />
   <package id="Grpc.Core" version="__GRPC_NUGET_VERSION__" targetFramework="net45" />
+  <package id="Grpc.Core.Api" version="__GRPC_NUGET_VERSION__" targetFramework="net45" />
   <package id="Grpc.Tools" version="__GRPC_NUGET_VERSION__" targetFramework="net45" />
   <package id="System.Interactive.Async" version="3.0.0" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />