diff --git a/csharp/test/Apache.Arrow.Flight.TestWeb/Apache.Arrow.Flight.TestWeb.csproj b/csharp/test/Apache.Arrow.Flight.TestWeb/Apache.Arrow.Flight.TestWeb.csproj
index f4b48e3161e..8dff1ce1d97 100644
--- a/csharp/test/Apache.Arrow.Flight.TestWeb/Apache.Arrow.Flight.TestWeb.csproj
+++ b/csharp/test/Apache.Arrow.Flight.TestWeb/Apache.Arrow.Flight.TestWeb.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Protobuf" Version="3.30.0" />
-    <PackageReference Include="Grpc.AspNetCore" Version="2.67.0" />
+    <PackageReference Include="Grpc.AspNetCore" Version="2.70.0" />
   </ItemGroup>
 
   <ItemGroup>