diff --git a/pkgs/development/python-modules/cvxpy/default.nix b/pkgs/development/python-modules/cvxpy/default.nix
index 28edbb845ae3..9fad43a2f257 100644
--- a/pkgs/development/python-modules/cvxpy/default.nix
+++ b/pkgs/development/python-modules/cvxpy/default.nix
@@ -54,6 +54,9 @@ buildPythonPackage (finalAttrs: {
     setuptools
   ];
 
+  pythonRelaxDeps = [
+    "sparsediffpy"
+  ];
   dependencies = [
     clarabel
     cvxopt