diff --git a/pyproject.toml b/pyproject.toml
index edebbff52..ed5adb6af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 requires = [
     "setuptools",
-    "cython>=0.25,<3.0",
+    "cython>=0.25",
     "cymem>=2.0.2,<2.1.0",
     "preshed>=3.0.2,<3.1.0",
     "murmurhash>=0.28.0,<1.1.0",
diff --git a/requirements.txt b/requirements.txt
index bfdcf0d96..26c603942 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ setuptools
 packaging>=20.0
 # Development dependencies
 pre-commit>=2.13.0
-cython>=0.25,<3.0
+cython>=0.25
 pytest>=5.2.0,!=7.1.0
 pytest-timeout>=1.3.0,<2.0.0
 mock>=2.0.0,<3.0.0
diff --git a/setup.cfg b/setup.cfg
index d43a782d5..66b5a03b0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -34,7 +34,7 @@ python_requires = >=3.9,<3.13
 # NOTE: This section is superseded by pyproject.toml and will be removed in
 # spaCy v4
 setup_requires =
-    cython>=0.25,<3.0
+    cython>=0.25
     numpy>=2.0.0,<3.0.0; python_version < "3.9"
     numpy>=2.0.0,<3.0.0; python_version >= "3.9"
     # We also need our Cython packages here to compile against