diff --git a/benchmark/Project.toml b/benchmark/Project.toml
index 8fdef152c..90f01e0ad 100644
--- a/benchmark/Project.toml
+++ b/benchmark/Project.toml
@@ -21,6 +21,7 @@ FiniteDiff = "2.33.0"
 DAQP = "0.9.2"
 Ipopt = "1.16.0"
 JuMP = "1.32.1"
+MadNLP = "0.11.0"
 SparseMatrixColorings = "0.4.29"
 SparseConnectivityTracer = "1.2.4"
 UnoSolver = "0.3.8"