diff --git a/backend/services/blockchain-service/src/infrastructure/mpc/mpc-signing.client.ts b/backend/services/blockchain-service/src/infrastructure/mpc/mpc-signing.client.ts
index 31b58d75..c2dfdc62 100644
--- a/backend/services/blockchain-service/src/infrastructure/mpc/mpc-signing.client.ts
+++ b/backend/services/blockchain-service/src/infrastructure/mpc/mpc-signing.client.ts
@@ -86,7 +86,7 @@ export class MpcSigningClient {
         sessionId: string;
         status: string;
       }>(
-        `${this.mpcServiceUrl}/mpc/sign`,
+        `${this.mpcServiceUrl}/api/v1/mpc/sign`,
         {
           username: this.hotWalletUsername,
           messageHash,
@@ -115,7 +115,7 @@ export class MpcSigningClient {
         status: string;
         signature?: string;
       }>(
-        `${this.mpcServiceUrl}/mpc/sign/${sessionId}/status`,
+        `${this.mpcServiceUrl}/api/v1/mpc/sign/${sessionId}/status`,
         {
           headers: { 'Content-Type': 'application/json' },
           timeout: 10000,