diff --git a/Cargo.toml b/Cargo.toml
index f621bcf..ada0810 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ crate-type = ["cdylib"]
 name = "biobear"
 
 [dependencies]
-arrow = {version = "47", features = ["pyarrow"]}
+arrow = {version = "49", features = ["pyarrow"]}
 datafusion = "32"
 exon = {version = "0.3.9", features = ["all"]}
 pyo3 = "0.19"