diff --git a/test-requirements.txt b/test-requirements.txt
index 0db84cc..2d85d34 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
-Cython==0.29.32
+Cython==3.0.3
 pytest==7.2.0
 pytest-cov==4.0.0