diff --git a/sdks/python/pyproject.toml b/sdks/python/pyproject.toml
index 1e12990171df..41c7d6d60d78 100644
--- a/sdks/python/pyproject.toml
+++ b/sdks/python/pyproject.toml
@@ -32,7 +32,7 @@ requires = [
     # Numpy headers
     "numpy>=1.14.3,<2.5.0", # Update setup.py as well.
     # having cython here will create wheels that are platform dependent.
-    "cython>=3.2.5,<4",
+    "cython>=3.2.6,<4",
     ## deps for generating external transform wrappers:
     # also update PyYaml bounds in sdks:python:generateExternalTransformsConfig
     'pyyaml>=3.12,<7.0.0',