diff --git a/contributor_database b/contributor_database
index 66bbf0288..fb69263e0 100644
--- a/contributor_database
+++ b/contributor_database
@@ -25,6 +25,6 @@ insertion_sort:[Meet Zaveri](@meetzaveri),[Rohit Tanwar](@kriadmin)
 difference_by:[Rohit Tanwar](@kriadmin)
 bubble_sort: [Shobhit Sachan](@sachans)
 has_duplicates: [Rob-Rychs](@Rob-Rychs)
-keys_only: [Rob-Rychs](@Rob-Rychs)
+keys_only: [Rob-Rychs](@Rob-Rychs),[Matteo Veraldi](@mattveraldi)
 values_only: [Rob-Rychs](@Rob-Rychs)
 all_unique: [Rob-Rychs](@Rob-Rychs)
\ No newline at end of file