diff --git a/src/devnet-utils.ts b/src/devnet-utils.ts
index 97cd5674..3368eb97 100644
--- a/src/devnet-utils.ts
+++ b/src/devnet-utils.ts
@@ -165,7 +165,7 @@ Make sure you really want to interact with Devnet and that it is running and ava
     public async consumeMessageFromL2(
         l2ContractAddress: string,
         l1ContractAddress: string,
-        payload: number[]
+        payload: Numeric[]
     ) {
         const body = {
             l2_contract_address: l2ContractAddress,
diff --git a/src/types/devnet.ts b/src/types/devnet.ts
index b1ba5cd6..d326c1f2 100644
--- a/src/types/devnet.ts
+++ b/src/types/devnet.ts
@@ -61,13 +61,13 @@ export interface Devnet {
      * Sends a mock message from L2 to L1
      * @param {string} l2ContractAddress - Address of the L2 contract.
      * @param {string} l1ContractAddress - Address of the L1 contract.
-     * @param {Array<number>} payload - Payload to send to the L1 network.
+     * @param {Array<Numeric>} payload - Payload to send to the L1 network.
      * @returns Message hash
      */
     consumeMessageFromL2: (
         l2ContractAddress: string,
         l1ContractAddress: string,
-        payload: Array<number>
+        payload: Array<Numeric>
     ) => Promise<L2ToL1MockTxResponse>;
 
     /**