diff --git a/requirements.txt b/requirements.txt
index bfdcf0d96..4f4383300 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>=3.0,<4.0
 pytest>=5.2.0,!=7.1.0
 pytest-timeout>=1.3.0,<2.0.0
 mock>=2.0.0,<3.0.0