diff --git a/solidity/Registry.sol b/solidity/Registry.sol
index c6cbb83..ce43238 100644
--- a/solidity/Registry.sol
+++ b/solidity/Registry.sol
@@ -2,10 +2,10 @@ pragma solidity >=0.6.12;
 
 // Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
 // SPDX-License-Identifier:	GPL-3.0-or-later
-// File-version: 2
+// File-version: 1
 
-interface RegistryClient {
-	function addressOf(bytes32) external view returns (address);
-	function set(bytes32, address, bytes32, bytes32) external returns (bool);
+interface Registry {
+	function set(bytes32, address) external returns (bool);
+	function bind(bytes32, bytes32) external returns (bool);
 	function identifiers(uint256) external view returns (bytes32);
 }
diff --git a/solidity/RegistryClient.sol b/solidity/RegistryClient.sol
new file mode 100644
index 0000000..cd1fd6f
--- /dev/null
+++ b/solidity/RegistryClient.sol
@@ -0,0 +1,9 @@
+pragma solidity >=0.6.12;
+
+// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
+// SPDX-License-Identifier:	GPL-3.0-or-later
+// File-version: 3
+
+interface RegistryClient {
+	function addressOf(bytes32) external view returns (address);
+}