diff --git a/pyproject.toml b/pyproject.toml
index 36753a2..9e2c08b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,6 +8,7 @@
 dependencies = [
     "markdown",
     "packaging",
+    "Pyarrow",
     "pandas>=1.2",
     "rpy2>=3.3",
 ]