diff --git a/requirements.txt b/requirements.txt
index 078eecac6d..36fb368318 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ numpy>=2.0.0
 scipy>=1.14.1
 netcdf4>=1.7.1
 matplotlib>=3.7.0
-Cython>=3.0.0
+Cython>=3.2.4
 boutdata>=0.3.0
 zoidberg>=0.2.2