diff --git a/Cargo.toml b/Cargo.toml
index 5b06f85..c2df533 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ rand = "0.7.3"
 rustc-hash = "1.1.0"
 serde = "1.0.106"
 serde_derive = "1.0.106"
-serde-big-array = "0.2.0"
+serde-big-array = "0.3.0"
 siphasher = "0.3.3"
 tokio = { version = "0.2.18", features = ["fs", "rt-threaded", "time", "tcp", "udp", "stream", "parking_lot"] }
 toml = "0.5.6"