diff --git a/requirements.txt b/requirements.txt
index 70f3d61..45f6843 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Cython==0.21.2
+Cython==3.0.7
 Kivy>=1.8.0
 netifaces==0.11.0
 Twisted>=15.0.0