1 files changed, 1 insertions, 1 deletions
diff --git a/debian/control b/debian/control
index 482b882..59dadb7 100644
--- a/debian/control
+++ b/debian/control
@@ -6,7 +6,7 @@ XSBC-Uploaders: Daniel Baumann <daniel.baumann@progress-linux.org>
 XSBC-Original-Maintainer: Debian Python Team <team+python@tracker.debian.org>
 XSBC-Original-Uploaders: Michael R. Crusoe <crusoe@debian.org>
 Bugs: mailto:maintainers@lists.progress-linux.org
-Build-Depends: cython3,
+Build-Depends: cython3 (<< 3.0),
                debhelper-compat (= 13),
                dh-python,
                pybuild-plugin-pyproject,