diff --git a/packages/1155-contracts/src/interfaces/IZoraCreator1155PremintExecutor.sol b/packages/1155-contracts/src/interfaces/IZoraCreator1155PremintExecutor.sol
index 4cf752f75..b66df3af3 100644
--- a/packages/1155-contracts/src/interfaces/IZoraCreator1155PremintExecutor.sol
+++ b/packages/1155-contracts/src/interfaces/IZoraCreator1155PremintExecutor.sol
@@ -28,7 +28,41 @@ interface ILegacyZoraCreator1155PremintExecutor {
     ) external payable returns (uint256 newTokenId);
 }
 
-interface IZoraCreator1155PremintExecutor {
+interface IZoraCreator1155PremintExecutorV1 {
+    function premintV1(
+        ContractCreationConfig calldata contractConfig,
+        PremintConfig calldata premintConfig,
+        bytes calldata signature,
+        uint256 quantityToMint,
+        IZoraCreator1155PremintExecutor.MintArguments calldata mintArguments
+    ) external payable returns (IZoraCreator1155PremintExecutor.PremintResult memory);
+
+    function isValidSignatureV1(
+        address originalContractAdmin,
+        address contractAddress,
+        PremintConfig calldata premintConfig,
+        bytes calldata signature
+    ) external view returns (bool isValid, address recoveredSigner);
+}
+
+interface IZoraCreator1155PremintExecutorV2 {
+    function premintV2(
+        ContractCreationConfig calldata contractConfig,
+        PremintConfigV2 calldata premintConfig,
+        bytes calldata signature,
+        uint256 quantityToMint,
+        IZoraCreator1155PremintExecutor.MintArguments calldata mintArguments
+    ) external payable returns (IZoraCreator1155PremintExecutor.PremintResult memory);
+
+    function isValidSignatureV2(
+        address originalContractAdmin,
+        address contractAddress,
+        PremintConfigV2 calldata premintConfig,
+        bytes calldata signature
+    ) external view returns (bool isValid, address recoveredSigner);
+}
+
+interface IZoraCreator1155PremintExecutor is IZoraCreator1155PremintExecutorV1, IZoraCreator1155PremintExecutorV2 {
     struct MintArguments {
         address mintRecipient;
         string mintComment;
@@ -53,12 +87,4 @@ interface IZoraCreator1155PremintExecutor {
     function zora1155Factory() external view returns (IZoraCreator1155Factory);
 
     function getContractAddress(ContractCreationConfig calldata contractConfig) external view returns (address);
-
-    function premintV2(
-        ContractCreationConfig calldata contractConfig,
-        PremintConfigV2 calldata premintConfig,
-        bytes calldata signature,
-        uint256 quantityToMint,
-        MintArguments calldata mintArguments
-    ) external payable returns (PremintResult memory);
 }