diff --git a/Package.swift b/Package.swift
index 20279ed..6ceabb0 100644
--- a/Package.swift
+++ b/Package.swift
@@ -34,7 +34,7 @@ let package = Package(
       targets: ["SparkConnect"])
   ],
   dependencies: [
-    .package(url: "https://github.com/grpc/grpc-swift-2.git", exact: "2.0.0"),
+    .package(url: "https://github.com/grpc/grpc-swift-2.git", exact: "2.1.0"),
     .package(url: "https://github.com/grpc/grpc-swift-protobuf.git", exact: "2.0.0"),
     .package(url: "https://github.com/grpc/grpc-swift-nio-transport.git", exact: "2.0.0"),
     .package(url: "https://github.com/google/flatbuffers.git", branch: "v25.2.10"),
@@ -50,7 +50,10 @@ let package = Package(
       ],
       resources: [
         .process("Documentation.docc")
-      ]
+      ],
+      swiftSettings: [
+        .swiftLanguageMode(.v6),
+      ],
     ),
     .testTarget(
       name: "SparkConnectTests",
diff --git a/README.md b/README.md
index b2e2f0f..5cdf9e0 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ So far, this library project is tracking the upstream changes of [Apache Arrow](
 
 - [Apache Spark 4.0.0 (May 2025)](https://github.com/apache/spark/releases/tag/v4.0.0)
 - [Swift 6.0 (2024) or 6.1 (2025)](https://swift.org)
-- [gRPC Swift 2 (May 2025)](https://github.com/grpc/grpc-swift-2/releases/tag/2.0.0)
+- [gRPC Swift 2.1 (May 2025)](https://github.com/grpc/grpc-swift-2/releases/tag/2.1.0)
 - [gRPC Swift Protobuf 2.0 (May 2025)](https://github.com/grpc/grpc-swift-protobuf/releases/tag/2.0.0)
 - [gRPC Swift NIO Transport 2.0 (May 2025)](https://github.com/grpc/grpc-swift-nio-transport/releases/tag/2.0.0)
 - [FlatBuffers v25.2.10 (February 2025)](https://github.com/google/flatbuffers/releases/tag/v25.2.10)