diff --git a/Package.swift b/Package.swift
index e794621f..f5655293 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,5 +1,7 @@
 // swift-tools-version:5.9
+//
 // The swift-tools-version declares the minimum version of Swift required to build this package.
+// Swift 5.9 is available from Xcode 15.0.
 
 import PackageDescription
 
diff --git a/Sources/ApolloCodegenLib/Templates/SwiftPackageManagerModuleTemplate.swift b/Sources/ApolloCodegenLib/Templates/SwiftPackageManagerModuleTemplate.swift
index 933bef1b..7c3fa07d 100644
--- a/Sources/ApolloCodegenLib/Templates/SwiftPackageManagerModuleTemplate.swift
+++ b/Sources/ApolloCodegenLib/Templates/SwiftPackageManagerModuleTemplate.swift
@@ -23,7 +23,7 @@ struct SwiftPackageManagerModuleTemplate: TemplateRenderer {
     let casedSchemaNamespace = config.schemaNamespace.firstUppercased
 
     return TemplateString("""
-    // swift-tools-version:5.7
+    // swift-tools-version:5.9
 
     import PackageDescription