diff --git a/README.md b/README.md
index a297f62d..3d89f577 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
 
 # Opn Payments iOS SDK
 
-[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat-square)](https://github.com/Carthage/Carthage)
 [![Swift Package Manager compatible](https://img.shields.io/badge/Swift%20Packager%20Manager-compatible-brightgreen?style=flat-square)](https://swift.org/package-manager)
 [![](https://img.shields.io/badge/email-support-yellow.svg?style=flat-square)](mailto:support@opn.ooo)
 ![CI](https://github.com/omise/omise-ios/workflows/CI/badge.svg?branch=master)
@@ -43,31 +42,6 @@ through your server.
 
 ## Installation
 
-### Carthage
-
-To integrate the Opn Payments SDK into your Xcode project using [Carthage](https://github.com/Carthage/Carthage), proceed with the following steps:
-
-1. Add the following line to your `Cartfile`:
-```
-github "omise/omise-ios"
-```
-
-2. Run `carthage update --use-xcframeworks`:
-
-``` bash
-$ carthage update --use-xcframeworks
-*** Fetching omise-ios
-*** Checking out omise-ios at "..."
-*** xcodebuild output can be found in /var/folders/sd/ccsbmstn2vbbqd7nk4fgkd040000gn/T/carthage-xcodebuild.X7ZfYB.log
-*** Building scheme "OmiseSDK" in OmiseSDK.xcodeproj
-```
-
-3. Drag the built XCFramework from `/Carthage/Build` into your project.
-
-For more detailed instructions, please read the [official documentation for Carthage](https://github.com/Carthage/Carthage#adding-frameworks-to-an-application).
-
-### Swift Package Manager (Xcode 12+)
-
 To integrate the Opn Payments SDK into your Xcode project using the [Swift Package Manager](https://swift.org/package-manager/), proceed with the following steps:
 
 1. In Xcode, select `File` > `Swift Packages` > `Add Package Dependency...`