diff --git a/requirements.txt b/requirements.txt
index c704c0f..ea3ec2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile
 #
-cython==0.29.32
+cython==0.29.34
     # via -r requirements.in
 fonttools==4.27.1
     # via -r requirements.in