diff --git a/Cargo.toml b/Cargo.toml
index 6936ff06..13c68008 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ log = "0.4"
 parking_lot = { version = "0.9", optional = true }
 parity-scale-codec = { version = "1.0.3", optional = true, default-features = false, features = ["derive"] }
 num = { package = "num-traits", version = "0.2", default-features = false }
-hashbrown = { version = "0.6" }
+hashbrown = { version = "0.6.3", default-features = false }
 
 [dev-dependencies]
 rand = "0.6.0"