diff --git a/Project.toml b/Project.toml
index 20e2d8e..8d60a56 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,6 +15,7 @@ libblastrampoline_jll = "8e850b90-86db-534c-a0d3-1478176c7d93"
 ProximalOperators = "0.15"
 QRMumps = "^0.3.0"
 Roots = "^1.0.0"
+SparseMatricesCOO = "0.2"
 julia = "^1.10.0"
 
 [extras]