diff --git a/Cargo.lock b/Cargo.lock
index 188f2f5..7fdd35c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1878,6 +1878,7 @@ dependencies = [
  "anyhow",
  "jsonrpc_client",
  "reqwest",
+ "serde_json",
  "tokio",
 ]