diff --git a/crates/fluss/Cargo.toml b/crates/fluss/Cargo.toml
index cc26014..7468fdb 100644
--- a/crates/fluss/Cargo.toml
+++ b/crates/fluss/Cargo.toml
@@ -41,7 +41,7 @@ parking_lot = "0.12"
 bytes = "1.10.1"
 dashmap = "6.1.0"
 rust_decimal = "1"
-ordered-float = { version = "4", features = ["serde"] }
+ordered-float = { version = "5", features = ["serde"] }
 parse-display = "0.10"
 ref-cast = "1.0"
 chrono = { version = "0.4", features = ["clock", "std", "wasmbind"] }