diff --git a/SlackKit/Sources/Client.swift b/SlackKit/Sources/Client.swift
index e8de985..72fedb6 100644
--- a/SlackKit/Sources/Client.swift
+++ b/SlackKit/Sources/Client.swift
@@ -23,7 +23,8 @@
 
 import C7
 import Jay
-import WebSocket
+import Venice
+import WebSocketClient
 
 public class SlackClient {
     
@@ -63,8 +64,8 @@ public class SlackClient {
         return SlackWebAPI(slackClient: self)
     }
 
-    internal var webSocket: WebSocket.Client?
-    internal var socket: Socket?
+    internal var webSocket: Client?
+    internal var socket: WebSocket?
     internal let api = NetworkInterface()
     
     internal var ping: Double?
@@ -88,7 +89,7 @@ public class SlackClient {
             if let socketURL = response["url"] as? String {
                 do {
                     let uri = try URI(socketURL)
-                    self.webSocket = try WebSocket.Client(uri: uri, onConnect: {(socket) in
+                    self.webSocket = try Client(uri: uri, didConnect: {(socket) in
                         self.setupSocket(socket: socket)
                         if let pingInterval = self.pingInterval {
                             self.pingRTMServerAtInterval(interval: pingInterval)
@@ -248,7 +249,7 @@ public class SlackClient {
     
     
     // MARK: - WebSocket
-    private func setupSocket(socket: Socket) {
+    private func setupSocket(socket: WebSocket) {
         socket.onText {(message) in
             self.websocketDidReceive(message: message)
         }
diff --git a/SlackKit/Sources/NetworkInterface.swift b/SlackKit/Sources/NetworkInterface.swift
index 2a1d498..fe743e0 100644
--- a/SlackKit/Sources/NetworkInterface.swift
+++ b/SlackKit/Sources/NetworkInterface.swift
@@ -24,6 +24,7 @@
 import C7
 import HTTPSClient
 import Jay
+import WebSocketClient
 
 internal struct NetworkInterface {
     
@@ -79,7 +80,6 @@ internal struct NetworkInterface {
         }
     
         let boundaryConstant = randomBoundary()
-        let contentType:Header = ["multipart/form-data; boundary=" + boundaryConstant]
         let boundaryStart = "--\(boundaryConstant)\r\n"
         let boundaryEnd = "--\(boundaryConstant)--\r\n"
         let contentDispositionString = "Content-Disposition: form-data; name=\"file\"; filename=\"\(parameters!["filename"])\"\r\n"
@@ -93,7 +93,7 @@ internal struct NetworkInterface {
         requestBodyData.append(contentsOf: "\r\n".data.bytes)
         requestBodyData.append(contentsOf: boundaryEnd.data.bytes)
         
-        let header: Headers = ["Content-Type":contentType]
+        let header: Headers = ["Content-Type":"multipart/form-data; boundary=" + boundaryConstant]
         
         do {
             var response: Response?