diff --git a/setup.py b/setup.py
index 5ac7b7a..f2081ac 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
     "pandas==2.3.3",
     "pluggy==1.6.0",
     "protobuf>=6.31.1",
-    "pyarrow==19.0.1",
+    "pyarrow==21.0.0",
     "pytest==8.4.2",
     "python-dateutil>=2.8.1",
     "pytz==2025.2",