diff --git a/Package.swift b/Package.swift
index 5048def..d259324 100644
--- a/Package.swift
+++ b/Package.swift
@@ -35,7 +35,7 @@ let package = Package(
   ],
   dependencies: [
     .package(url: "https://github.com/grpc/grpc-swift.git", exact: "2.2.1"),
-    .package(url: "https://github.com/grpc/grpc-swift-protobuf.git", exact: "1.2.0"),
+    .package(url: "https://github.com/grpc/grpc-swift-protobuf.git", exact: "1.3.0"),
     .package(url: "https://github.com/grpc/grpc-swift-nio-transport.git", exact: "1.1.0"),
     .package(url: "https://github.com/google/flatbuffers.git", branch: "v25.2.10"),
   ],
diff --git a/README.md b/README.md
index c3ae435..b722cb4 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ So far, this library project is tracking the upstream changes like the [Apache S
 - [Apache Spark 4.0.0 RC7 (May 2025)](https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc7-bin/)
 - [Swift 6.0 (2024) or 6.1 (2025)](https://swift.org)
 - [gRPC Swift 2.2 (May 2025)](https://github.com/grpc/grpc-swift/releases/tag/2.2.1)
-- [gRPC Swift Protobuf 1.2 (April 2025)](https://github.com/grpc/grpc-swift-protobuf/releases/tag/1.2.0)
+- [gRPC Swift Protobuf 1.3 (May 2025)](https://github.com/grpc/grpc-swift-protobuf/releases/tag/1.3.0)
 - [gRPC Swift NIO Transport 1.1 (May 2025)](https://github.com/grpc/grpc-swift-nio-transport/releases/tag/1.1.0)
 - [FlatBuffers v25.2.10 (February 2025)](https://github.com/google/flatbuffers/releases/tag/v25.2.10)
 - [Apache Arrow Swift](https://github.com/apache/arrow/tree/main/swift)