diff --git a/Examples/GreetingService/Sources/GreetingService/GreetingService.swift b/Examples/GreetingService/Sources/GreetingService/GreetingService.swift
index 3c6c38fd..d2dbe747 100644
--- a/Examples/GreetingService/Sources/GreetingService/GreetingService.swift
+++ b/Examples/GreetingService/Sources/GreetingService/GreetingService.swift
@@ -55,7 +55,7 @@ struct Main {
         let handler = Handler()
 
         // Call the generated protocol function on the handler to configure the Vapor application.
-        try handler.registerHandlers(on: transport, serverURL: Servers.server1())
+        try handler.registerHandlers(on: transport, serverURL: Servers.server2())
 
         // Start the Vapor application, in the same way as if it was manually configured.
         try app.run()
diff --git a/Examples/GreetingService/Sources/GreetingService/openapi.yaml b/Examples/GreetingService/Sources/GreetingService/openapi.yaml
index c670a499..4408f4b1 100644
--- a/Examples/GreetingService/Sources/GreetingService/openapi.yaml
+++ b/Examples/GreetingService/Sources/GreetingService/openapi.yaml
@@ -1,10 +1,12 @@
-openapi: '3.0.3'
+openapi: '3.1.0'
 info:
   title: GreetingService
   version: 1.0.0
 servers:
   - url: https://example.com/api
-    description: Example
+    description: Example service deployment.
+  - url: http://127.0.0.1:8080/api
+    description: Localhost deployment.
 paths:
   /greet:
     get:
@@ -13,7 +15,7 @@ paths:
       - name: name
         required: false
         in: query
-        description: A name used in the returned greeting.
+        description: The name used in the returned greeting.
         schema:
           type: string
       responses:
diff --git a/Examples/GreetingServiceClient/Sources/GreetingServiceClient/openapi.yaml b/Examples/GreetingServiceClient/Sources/GreetingServiceClient/openapi.yaml
index 613d6e3c..4408f4b1 100644
--- a/Examples/GreetingServiceClient/Sources/GreetingServiceClient/openapi.yaml
+++ b/Examples/GreetingServiceClient/Sources/GreetingServiceClient/openapi.yaml
@@ -1,12 +1,12 @@
-openapi: '3.0.3'
+openapi: '3.1.0'
 info:
   title: GreetingService
   version: 1.0.0
 servers:
   - url: https://example.com/api
-    description: Example
-  - url: http://localhost:8080/api
-    description: Localhost
+    description: Example service deployment.
+  - url: http://127.0.0.1:8080/api
+    description: Localhost deployment.
 paths:
   /greet:
     get:
@@ -15,7 +15,7 @@ paths:
       - name: name
         required: false
         in: query
-        description: A name used in the returned greeting.
+        description: The name used in the returned greeting.
         schema:
           type: string
       responses:
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientSwiftPM.tutorial b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientSwiftPM.tutorial
index ddc8ac9f..53f9da6e 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientSwiftPM.tutorial
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientSwiftPM.tutorial
@@ -1,5 +1,5 @@
 @Tutorial(time: 20) {
-    @XcodeRequirement(title: "Swift 5.8 ", destination: "https://developer.apple.com/download/")
+    @XcodeRequirement(title: "Swift 5.9 ", destination: "https://developer.apple.com/download/applications/")
 
     @Intro(title: "Generating a client in a Swift package") {
         This tutorial guides you through building _GreetingServiceClient_—an API client for a fictitious service that returns a personalized greeting.
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientXcode.tutorial b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientXcode.tutorial
index 7dcb8817..136acff4 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientXcode.tutorial
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ClientXcode.tutorial
@@ -1,5 +1,5 @@
 @Tutorial(time: 20) {
-    @XcodeRequirement(title: "Swift 5.8 ", destination: "https://developer.apple.com/download/")
+    @XcodeRequirement(title: "Swift 5.9 ", destination: "https://developer.apple.com/download/applications/")
 
     @Intro(title: "Generating a client in an Xcode project") {
         This tutorial guides you through building _GreetingServiceClient_—an API client for a fictitious service that returns a personalized greeting.
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ServerSwiftPM.tutorial b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ServerSwiftPM.tutorial
index c65d2dd0..c682b2b1 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ServerSwiftPM.tutorial
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/ServerSwiftPM.tutorial
@@ -1,5 +1,5 @@
 @Tutorial(time: 20) {
-    @XcodeRequirement(title: "Swift 5.8 ", destination: "https://developer.apple.com/download/")
+    @XcodeRequirement(title: "Swift 5.9 ", destination: "https://developer.apple.com/download/applications/")
 
     @Intro(title: "Generating server stubs in a Swift package") {
 
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.0.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.0.swift
index a6cde908..18b1cde1 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.0.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.0.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.1.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.1.swift
index 312a49ea..69ee9a89 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.1.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.1.swift
@@ -1,10 +1,13 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
     name: "GreetingServiceClient",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13), .tvOS(.v13), .watchOS(.v6),
+        .macOS(.v10_15),
+        .iOS(.v13),
+        .tvOS(.v13),
+        .watchOS(.v6),
     ],
     targets: [
         .executableTarget(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.2.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.2.swift
index 6ca9b71b..152870c6 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.2.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.2.swift
@@ -1,10 +1,13 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
     name: "GreetingServiceClient",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13), .tvOS(.v13), .watchOS(.v6),
+        .macOS(.v10_15),
+        .iOS(.v13),
+        .tvOS(.v13),
+        .watchOS(.v6),
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.3.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.3.swift
index 1534bc88..dc3f40a8 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.3.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.3.swift
@@ -1,10 +1,13 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
     name: "GreetingServiceClient",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13), .tvOS(.v13), .watchOS(.v6),
+        .macOS(.v10_15),
+        .iOS(.v13),
+        .tvOS(.v13),
+        .watchOS(.v6),
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.4.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.4.swift
index 26985fa5..395ff9ed 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.4.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.4.swift
@@ -1,10 +1,13 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
     name: "GreetingServiceClient",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13), .tvOS(.v13), .watchOS(.v6),
+        .macOS(.v10_15),
+        .iOS(.v13),
+        .tvOS(.v13),
+        .watchOS(.v6),
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.5.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.5.swift
index 26985fa5..395ff9ed 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.5.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/client.Package.5.swift
@@ -1,10 +1,13 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
     name: "GreetingServiceClient",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13), .tvOS(.v13), .watchOS(.v6),
+        .macOS(.v10_15),
+        .iOS(.v13),
+        .tvOS(.v13),
+        .watchOS(.v6),
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.0.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.0.swift
index eb40738a..f887b205 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.0.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.0.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.1.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.1.swift
index 6b677066..4d01de62 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.1.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.1.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.2.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.2.swift
index f46c89f1..466836cb 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.2.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.2.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
@@ -10,7 +10,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/apple/swift-openapi-runtime", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/swift-server/swift-openapi-vapor", .upToNextMinor(from: "0.3.0")),
-        .package(url: "https://github.com/vapor/vapor", from: "4.76.0"),
+        .package(url: "https://github.com/vapor/vapor", from: "4.84.0"),
     ],
     targets: [
         .executableTarget(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.3.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.3.swift
index 863add15..58a5f8a8 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.3.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.3.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
@@ -10,7 +10,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/apple/swift-openapi-runtime", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/swift-server/swift-openapi-vapor", .upToNextMinor(from: "0.3.0")),
-        .package(url: "https://github.com/vapor/vapor", from: "4.76.0"),
+        .package(url: "https://github.com/vapor/vapor", from: "4.84.0"),
     ],
     targets: [
         .executableTarget(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.4.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.4.swift
index b5dcd8a5..87c1450b 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.4.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.4.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
@@ -10,7 +10,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/apple/swift-openapi-runtime", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/swift-server/swift-openapi-vapor", .upToNextMinor(from: "0.3.0")),
-        .package(url: "https://github.com/vapor/vapor", from: "4.76.0"),
+        .package(url: "https://github.com/vapor/vapor", from: "4.84.0"),
     ],
     targets: [
         .executableTarget(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.5.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.5.swift
index b5dcd8a5..87c1450b 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.5.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.Package.5.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(
@@ -10,7 +10,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-openapi-generator", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/apple/swift-openapi-runtime", .upToNextMinor(from: "0.3.0")),
         .package(url: "https://github.com/swift-server/swift-openapi-vapor", .upToNextMinor(from: "0.3.0")),
-        .package(url: "https://github.com/vapor/vapor", from: "4.76.0"),
+        .package(url: "https://github.com/vapor/vapor", from: "4.84.0"),
     ],
     targets: [
         .executableTarget(
diff --git a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.main.2.swift b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.main.2.swift
index 95aee116..e842a36c 100644
--- a/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.main.2.swift
+++ b/Sources/swift-openapi-generator/Documentation.docc/Tutorials/_Resources/server.main.2.swift
@@ -17,7 +17,8 @@ struct GreetingServiceAPIImpl: APIProtocol {
         _ input: Operations.getEmoji.Input
     ) async throws -> Operations.getEmoji.Output {
         let emojis = "👋👍👏🙏🤙🤘"
-        return .ok(.init(body: .text(String(emojis.randomElement()!))))
+        let emoji = String(emojis.randomElement()!)
+        return .ok(.init(body: .plainText(.init(emoji))))
     }
 }