diff --git a/pyproject.toml b/pyproject.toml
index 86d02ef7..f44fa8bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ pyyaml = "^6.0.2"
 jupyter = "^1.0.0"
 ipykernel = "^6.29.5"
 polars = "^1.5.0"
-pyarrow = "^17.0.0"
+pyarrow = "^18.0.0"
 
 
 [tool.poetry.group.azurebatch.dependencies]