diff --git a/Cargo.toml b/Cargo.toml
index 0060afb..61b1f2c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,4 +7,4 @@ license = "GPL-3.0"
 
 [dependencies]
 elastic-array = "0.9"
-ethcore-bigint = { version = "0.2.1", path = "../bigint" }
+ethereum-types = "0.1"
diff --git a/src/lib.rs b/src/lib.rs
index 9162670..b65f304 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,11 +16,11 @@
 
 //! Database of byte-slices keyed to their Keccak hash.
 extern crate elastic_array;
-extern crate ethcore_bigint as bigint;
+extern crate ethereum_types;
 
-use bigint::hash::*;
 use std::collections::HashMap;
 use elastic_array::ElasticArray128;
+use ethereum_types::H256;
 
 /// `HashDB` value type.
 pub type DBValue = ElasticArray128<u8>;