diff --git a/Sources/PackagePlugin/PackageModel.swift b/Sources/PackagePlugin/PackageModel.swift
index 88d229ca26f..397e553c60a 100644
--- a/Sources/PackagePlugin/PackageModel.swift
+++ b/Sources/PackagePlugin/PackageModel.swift
@@ -366,7 +366,7 @@ public struct ClangSourceModuleTarget: SourceModuleTarget {
 
     /// The directory containing public C headers, if applicable. This will
     /// only be set for targets that have a directory of a public headers.
-    @available(_PackageDescription, deprecated: 6.0)
+    @available(_PackageDescription, introduced: 6.0)
     public let publicHeadersDirectoryURL: URL?
 
     /// Any custom linked libraries required by the module, as specified in the