diff --git a/requirements-build.txt b/requirements-build.txt
index 2055a21306..20a6bd09e0 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -1,4 +1,3 @@
-cython>=0.29; platform_system != 'Windows'
-cython>=0.29,<3; platform_system == 'Windows'
+cython>=0.29,<3
 build>=0.7.0
 auditwheel>=4
\ No newline at end of file