diff --git a/source/dub/recipe/io.d b/source/dub/recipe/io.d
index 5fedf46..384b18f 100644
--- a/source/dub/recipe/io.d
+++ b/source/dub/recipe/io.d
@@ -25,6 +25,7 @@
 	Returns: Returns the package recipe contents
 	Throws: Throws an exception if an I/O or syntax error occurs
 */
+deprecated("Use the overload that accepts a `NativePath` as first argument")
 PackageRecipe readPackageRecipe(
 	string filename, string parent_name = null, StrictMode mode = StrictMode.Ignore)
 {