diff --git a/pyproject.toml b/pyproject.toml
index 27f4629..88df1c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 requires = [
     "setuptools",
     "scikit-build>=0.13.0",
-    "Cython==3.0.0a10"
+    "Cython>=3.0.0a11"
 ]
 build-backend = "backend"
 backend-path = ["_custom_build"]
diff --git a/setup.py b/setup.py
index 5c2052d..447277e 100644
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)"
     ],
 
diff --git a/tools/sdist.patch b/tools/sdist.patch
index f59074c..f8e10f9 100644
--- a/tools/sdist.patch
+++ b/tools/sdist.patch
@@ -7,7 +7,7 @@ index 27f4629..752d509 100644
  requires = [
      "setuptools",
 -    "scikit-build>=0.13.0",
--    "Cython==3.0.0a10"
+-    "Cython>=3.0.0a11"
 +    "scikit-build>=0.13.0"
  ]
  build-backend = "backend"