diff --git a/pyproject.toml b/pyproject.toml
index 85c16f5f..5afecf3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,6 +59,7 @@ dependencies = [
     "black",
     "sympy",
     "pre-commit",
+    "cvxpy"
 ]
 [project.optional-dependencies]
     docs = ["sphinx==7.2.6", "furo", "sphinx_toolbox"]