diff --git a/backend/services/docker-compose.yml b/backend/services/docker-compose.yml
index 65b7df4d..4f32aa83 100644
--- a/backend/services/docker-compose.yml
+++ b/backend/services/docker-compose.yml
@@ -338,7 +338,7 @@ services:
       - MPC_ACCOUNT_SERVICE_URL=http://192.168.1.111:4000
       - MPC_SESSION_COORDINATOR_URL=http://192.168.1.111:8081
       - MPC_SERVER_PARTY_API_URL=http://192.168.1.111:8083
-      - MPC_API_KEY=${MPC_API_KEY}
+      - MPC_API_KEY=rwa-mpc-api-key-2024-secure-access-token
       - SHARE_MASTER_KEY=${SHARE_MASTER_KEY}
     depends_on:
       postgres: