diff --git a/Project.toml b/Project.toml
index 5827dbb..4611001 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,6 +23,7 @@ JuMP = "1.3"
 JuliaFormatter = "1"
 MathOptInterface = "1.18"
 OptimalTransport = "0.3"
+SparseArrays = "1.10"
 julia = "1.10"
 
 [extras]