diff --git a/sci-libs/hdf/metadata.xml b/sci-libs/hdf/metadata.xml
index 15ed11bf81729..c4fb0d5104c19 100644
--- a/sci-libs/hdf/metadata.xml
+++ b/sci-libs/hdf/metadata.xml
@@ -16,4 +16,7 @@
 		unstructured grids. You can also mix and match them in HDF files
 		according to your needs.
 	</longdescription>
+	<upstream>
+		<remote-id type="github">HDFGroup/hdf4</remote-id>
+	</upstream>
 </pkgmetadata>