diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
new file mode 100644
index 0000000..d96fb49
--- /dev/null
+++ b/.github/workflows/swift.yml
@@ -0,0 +1,19 @@
+name: Swift
+
+on:
+  push:
+    branches: [ "master", "development" ]
+  pull_request:
+    branches: [ "master", "development" ]
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build
+        run: swift build -v
+      - name: Run tests
+        run: swift test -v
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index b90dafc..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-language: objective-c
-xcode_project: Socket.IO-Client-Swift.xcodeproj # path to your xcodeproj folder
-xcode_scheme: SocketIO-Mac
-osx_image: xcode12.2
-branches:
-  only:
-    - master
-    - development
-before_install:
-  # - brew update
-  # - brew outdated xctool || brew upgrade xctool
-  # - brew outdated carthage || brew upgrade carthage
-  - carthage update --platform macosx
-script:
-  - xcodebuild -project Socket.IO-Client-Swift.xcodeproj -scheme SocketIO build test -quiet
-#  - xcodebuild -project Socket.IO-Client-Swift.xcodeproj -scheme SocketIO build-for-testing -quiet
-#  - xctool -project Socket.IO-Client-Swift.xcodeproj -scheme SocketIO run-tests --parallelize
-  - swift test
diff --git a/Source/SocketIO/Ack/SocketAckEmitter.swift b/Source/SocketIO/Ack/SocketAckEmitter.swift
index f8a3ecd..0306f29 100644
--- a/Source/SocketIO/Ack/SocketAckEmitter.swift
+++ b/Source/SocketIO/Ack/SocketAckEmitter.swift
@@ -28,7 +28,7 @@ import Foundation
 /// A class that represents a waiting ack call.
 ///
 /// **NOTE**: You should not store this beyond the life of the event handler.
-public final class SocketAckEmitter : NSObject {
+public final class SocketAckEmitter: NSObject {
     private unowned let socket: SocketIOClient
     private let ackNum: Int
 
@@ -101,7 +101,7 @@ public final class SocketAckEmitter : NSObject {
 ///     ...
 /// }
 /// ```
-public final class OnAckCallback : NSObject {
+public final class OnAckCallback: NSObject {
     private let ackNumber: Int
     private let binary: Bool
     private let items: [Any]