diff --git a/Sources/SwiftPackageListCore/Output Generation/JSON/JSONGenerator.swift b/Sources/SwiftPackageListCore/Output Generation/JSON/JSONGenerator.swift
index cd35bd5..01361ad 100644
--- a/Sources/SwiftPackageListCore/Output Generation/JSON/JSONGenerator.swift	
+++ b/Sources/SwiftPackageListCore/Output Generation/JSON/JSONGenerator.swift	
@@ -15,7 +15,7 @@ struct JSONGenerator: OutputGenerator {
     
     private let jsonEncoder: JSONEncoder = {
         let encoder = JSONEncoder()
-        encoder.outputFormatting = .prettyPrinted
+        encoder.outputFormatting = [.prettyPrinted, .sortedKeys]
         return encoder
     }()
     
diff --git a/Tests/SwiftPackageListCoreTests/JSONGeneratorTests.swift b/Tests/SwiftPackageListCoreTests/JSONGeneratorTests.swift
index 289479b..ccd3c2e 100644
--- a/Tests/SwiftPackageListCoreTests/JSONGeneratorTests.swift
+++ b/Tests/SwiftPackageListCoreTests/JSONGeneratorTests.swift
@@ -42,10 +42,10 @@ final class JSONGeneratorTests: XCTestCase {
         let expectedOutput = """
         [
           {
-            "revision" : "xxxx",
             "license" : "MIT",
             "name" : "test",
             "repositoryURL" : "https:\\/\\/github.com\\/test\\/test",
+            "revision" : "xxxx",
             "version" : "1.0.0"
           }
         ]