diff --git a/flow.json b/flow.json
index 6026fe5..e6fba10 100644
--- a/flow.json
+++ b/flow.json
@@ -1,4 +1,10 @@
 {
+  "emulators": {
+    "default": {
+      "port": 3569,
+      "serviceAccount": "emulator-account"
+    }
+  },
   "contracts": {
     "FUSD": {
       "source": "./cadence/contracts/FUSD.cdc",
@@ -28,6 +34,10 @@
       "address": "f8d6e0586b0a20c7",
       "key": "91a22fbd87392b019fbe332c32695c14cf2ba5b6521476a8540228bdf1987068"
     },
+    "testnet-account": {
+      "address": "${NEXT_PUBLIC_SIGNER_ADDRESS}",
+      "keys": "${SIGNER_PRIVATE_KEY}"
+    }
   },
   "deployments": {
     "emulator": {