diff --git a/src/simulator/Cargo.lock b/src/simulator/Cargo.lock
index e7e022ac..a7a9083c 100644
--- a/src/simulator/Cargo.lock
+++ b/src/simulator/Cargo.lock
@@ -974,6 +974,7 @@ dependencies = [
 name = "mc-trade"
 version = "0.1.0"
 dependencies = [
+ "rand",
  "serde",
  "serde_json",
 ]