diff --git a/pyproject.toml b/pyproject.toml
index 52c2aa1..eda687c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ authors = [
 ]
 dynamic = ["version"]
 dependencies = [
-  "Cython >= 3.0,<3.2",
+  "Cython >= 3.0",
   "setuptools",
   "nanobind",
   "typing_extensions >= 4.5.0; python_version < '3.13'",
@@ -35,7 +35,7 @@ classifiers = [
 ]
 
 [project.optional-dependencies]
-cython = ["Cython >= 3.0,<3.2"]
+cython = ["Cython >= 3.0"]
 nanobind = ["nanobind"]
 
 [dependency-groups]