diff --git a/pyproject.toml b/pyproject.toml
index d3a5f9b6b..37d8b70ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
   "numpy>=1,<3",
   "pandas>=2.0.0",
   "packaging",
-  "pyarrow<20",
+  "pyarrow<21",
   "typing-extensions",
   "python-dateutil>=2",
   "attrs>=21.3.0",