diff --git a/setup.py b/setup.py
index f5c3109..b1d5db6 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@
       python_requires=">=3.10",
       install_requires=[
                         'numpy<2.3',
-                        'cython==3.1.4',
+                        'cython==3.1.6',
                         'cvxpy==1.7.3',
                         'scipy==1.15.3',
                         'matplotlib==3.10.6',