diff --git a/pyproject.toml b/pyproject.toml
index 8cd31feb49..7a4928e84f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ dependencies = [
     "numpy >= 2.0.0",
     "scipy >= 1.13.0",
     "highspy >= 1.11.0",
-    "sparsediffpy==0.1.3",
+    "sparsediffpy >= 0.1.5",
 ]
 requires-python = ">=3.11"
 urls = {Homepage = "https://github.com/cvxpy/cvxpy"}