diff --git a/requirements/dev.txt b/requirements/dev.txt
index 2d64c14..38378ad 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,4 +1,4 @@
 # Will need test.txt if we want to run some tests
 -r test.txt
-cython==3.2.9
+cython==3.3.0
 setuptools==84.0.0