diff --git a/setup.py b/setup.py
index 9d9b79907..ef73abe52 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     "plotly==5.24.1",
     "polars==1.14.0",
     "polars[timezone]",
-    "pyarrow==18.0.0",
+    "pyarrow==19.0.0",
     "pylint==3.3.1",
     "pytest",
     "pytest-asyncio==0.21.1",