diff --git a/requirements.dev.txt b/requirements.dev.txt
index d1b387946a4d649e39213299afcfd621c0db8025..890c0d6a1e17453085ad573d6da193a6120b773c 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,5 +1,5 @@
 flake8==3.7.7
-Cython==0.29.9
+Cython==0.29.10
 nose==1.3.7
 pylint==1.9.4
 pytest==4.5.0