diff --git a/bindings/python/pyproject.toml b/bindings/python/pyproject.toml
index ec4cf490..923d7629 100644
--- a/bindings/python/pyproject.toml
+++ b/bindings/python/pyproject.toml
@@ -6,7 +6,7 @@ requires = [
     # Needed for numpy headers.
     "numpy>=2.0",
     # Must be kept in sync with "project.dependencies" below.
-    "pyarrow>=19.0,<19.1.0",
+    "pyarrow>=19.0,<20.1.0",
 ]
 
 [project]