diff --git a/requirements.txt b/requirements.txt
index b1ba58e0f8f9e5dc73b15bbe1ab75c0fc27b86b6..3baab7ee001ac1d0590f839f80927c4dfdf985b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,6 @@ bob.io.image
 bob.ip.draw
 bob.ip.color
 bob.ip.facedetect
-cython<0.24,>=0.23
 cyvlfeat
 menpo
 menpofit