diff --git a/Examples/HelloWorld/Package.resolved b/Examples/HelloWorld/Package.resolved
index 3ba4d2c..91453ab 100644
--- a/Examples/HelloWorld/Package.resolved
+++ b/Examples/HelloWorld/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "b5b9014f132b00f60b454339b6fdd6997d19665a7ad65f217b3192277274a829",
+  "originHash" : "b9af8cd562ec2884daa5ebd0fc24d9eb7f9daa954495013f81ff58ee4f081376",
   "pins" : [
     {
       "identity" : "async-http-client",
@@ -24,8 +24,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/GraphQLSwift/Graphiti.git",
       "state" : {
-        "revision" : "a23a3d232df202fc158ad2d698926325b470523c",
-        "version" : "3.0.0"
+        "revision" : "3ec7bf90d9884324852af9d96d2ce5aa60e02cde",
+        "version" : "3.1.0"
       }
     },
     {
@@ -42,8 +42,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/GraphQLSwift/GraphQLTransportWS.git",
       "state" : {
-        "revision" : "6d62d9f980346f0644a5f4dc1593f2b0f1d07b44",
-        "version" : "1.0.0"
+        "revision" : "1fb0dbdec9bc220949370de3024c525c99b754f4",
+        "version" : "2.0.0"
       }
     },
     {
@@ -51,8 +51,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/GraphQLSwift/GraphQLWS.git",
       "state" : {
-        "revision" : "5a3b62e478668199d22f52df7cc7d44b51394cb4",
-        "version" : "1.0.0"
+        "revision" : "038a19b365faa9dc6d225a9499e8cfd992c996fa",
+        "version" : "2.0.0"
       }
     },
     {
diff --git a/Package.resolved b/Package.resolved
index 375b369..974b38d 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "f2124c90d97730f0c1ccfefce1998ffd49b45cc9e2a3815bb08e726361f2b6ce",
+  "originHash" : "2a0d12dffb76bc194e23d22feb1b8acb69d315f8f87b13e43ac7c7550845bf2e",
   "pins" : [
     {
       "identity" : "async-http-client",
@@ -24,8 +24,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/GraphQLSwift/Graphiti.git",
       "state" : {
-        "revision" : "a23a3d232df202fc158ad2d698926325b470523c",
-        "version" : "3.0.0"
+        "revision" : "3ec7bf90d9884324852af9d96d2ce5aa60e02cde",
+        "version" : "3.1.0"
       }
     },
     {
@@ -42,8 +42,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/GraphQLSwift/GraphQLTransportWS.git",
       "state" : {
-        "revision" : "6d62d9f980346f0644a5f4dc1593f2b0f1d07b44",
-        "version" : "1.0.0"
+        "revision" : "1fb0dbdec9bc220949370de3024c525c99b754f4",
+        "version" : "2.0.0"
       }
     },
     {
@@ -51,8 +51,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/GraphQLSwift/GraphQLWS.git",
       "state" : {
-        "revision" : "5a3b62e478668199d22f52df7cc7d44b51394cb4",
-        "version" : "1.0.0"
+        "revision" : "038a19b365faa9dc6d225a9499e8cfd992c996fa",
+        "version" : "2.0.0"
       }
     },
     {
@@ -127,15 +127,6 @@
         "version" : "1.3.0"
       }
     },
-    {
-      "identity" : "swift-configuration",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-configuration.git",
-      "state" : {
-        "revision" : "b4768bd68d8a6fb356bd372cb41905046244fcae",
-        "version" : "1.0.2"
-      }
-    },
     {
       "identity" : "swift-crypto",
       "kind" : "remoteSourceControl",
diff --git a/Package.swift b/Package.swift
index fca25bd..2e07807 100644
--- a/Package.swift
+++ b/Package.swift
@@ -16,8 +16,8 @@ let package = Package(
     dependencies: [
         .package(url: "https://github.com/apple/swift-nio.git", from: "2.0.0"),
         .package(url: "https://github.com/GraphQLSwift/GraphQL.git", from: "4.0.0"),
-        .package(url: "https://github.com/GraphQLSwift/GraphQLTransportWS.git", from: "1.0.0"),
-        .package(url: "https://github.com/GraphQLSwift/GraphQLWS.git", from: "1.0.0"),
+        .package(url: "https://github.com/GraphQLSwift/GraphQLTransportWS.git", from: "2.0.0"),
+        .package(url: "https://github.com/GraphQLSwift/GraphQLWS.git", from: "2.0.0"),
         .package(url: "https://github.com/hummingbird-project/hummingbird.git", from: "2.0.0"),
         .package(
             url: "https://github.com/hummingbird-project/hummingbird-websocket.git",
@@ -33,6 +33,7 @@ let package = Package(
                 .product(name: "GraphQLWS", package: "GraphQLWS"),
                 .product(name: "Hummingbird", package: "hummingbird"),
                 .product(name: "HummingbirdWebSocket", package: "hummingbird-websocket"),
+                .product(name: "NIOFoundationCompat", package: "swift-nio"),
             ]
         ),
         .testTarget(
diff --git a/Sources/GraphQLHummingbird/WebSocket/GraphQLHandler+handleWebSocket.swift b/Sources/GraphQLHummingbird/WebSocket/GraphQLHandler+handleWebSocket.swift
index 526b8eb..ed65eb3 100644
--- a/Sources/GraphQLHummingbird/WebSocket/GraphQLHandler+handleWebSocket.swift
+++ b/Sources/GraphQLHummingbird/WebSocket/GraphQLHandler+handleWebSocket.swift
@@ -3,6 +3,7 @@ import Hummingbird
 import HummingbirdWebSocket
 import Logging
 
+import struct Foundation.Data
 import struct GraphQLTransportWS.EmptyInitPayload
 import class GraphQLTransportWS.Server
 import class GraphQLWS.Server
@@ -17,15 +18,16 @@ extension GraphQLHandler where Context: WebSocketRequestContext {
     ) async throws {
         let messenger = WebSocketMessenger(outbound: outbound, logger: logger)
 
-        let messageStream = inbound.messages(maxSize: context.requestContext.maxUploadSize)
-            .compactMap { message -> String? in
-                // TODO: Add binary support
-                guard case .text(let text) = message else {
-                    return nil
-                }
-                logger.trace("GraphQL server received: \(message)")
-                return text
+        let messageStream = inbound.messages(
+            maxSize: context.requestContext.maxUploadSize
+        ).compactMap { message -> Data? in
+            // By subprotocol specs, messages must be `text` and UTF8
+            guard case .text(let text) = message else {
+                return nil
             }
+            logger.trace("GraphQL server received: \(text)")
+            return text.data(using: .utf8)
+        }
 
         switch subProtocol {
         case .graphqlTransportWs:
diff --git a/Sources/GraphQLHummingbird/WebSocket/WebSocketMessenger.swift b/Sources/GraphQLHummingbird/WebSocket/WebSocketMessenger.swift
index 79135d7..ae194b5 100644
--- a/Sources/GraphQLHummingbird/WebSocket/WebSocketMessenger.swift
+++ b/Sources/GraphQLHummingbird/WebSocket/WebSocketMessenger.swift
@@ -3,6 +3,9 @@ import GraphQLWS
 import HummingbirdWebSocket
 import Logging
 import NIOCore
+import NIOFoundationCompat
+
+import struct Foundation.Data
 
 /// Messenger wrapper for WebSockets
 class WebSocketMessenger: GraphQLTransportWS.Messenger, GraphQLWS.Messenger, @unchecked Sendable {
@@ -17,9 +20,11 @@ class WebSocketMessenger: GraphQLTransportWS.Messenger, GraphQLWS.Messenger, @un
         self.logger = logger
     }
 
-    func send<S: Collection>(_ message: S) async throws where S.Element == Character {
-        logger.trace("GraphQL server sent: \(String(message))")
-        try await outbound.write(.text(String(message)))
+    func send(_ message: Data) async throws {
+        try await outbound.withTextMessageWriter { writer in
+            try await writer.callAsFunction(ByteBuffer(data: message))
+        }
+        logger.trace("GraphQL server sent: \(String(decoding: message, as: UTF8.self))")
     }
 
     func error(_ message: String, code: Int) async throws {