diff --git a/Cargo.lock b/Cargo.lock
index ef8c03da0b..233ea6123c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1641,6 +1641,8 @@ dependencies = [
  "pretty_env_logger",
  "router",
  "serde",
+ "serde_derive",
+ "serde_json",
  "tempfile",
  "tokio 0.2.12",
  "topology",
diff --git a/validator/Cargo.toml b/validator/Cargo.toml
index ec03206455..2c18c23c89 100644
--- a/validator/Cargo.toml
+++ b/validator/Cargo.toml
@@ -20,6 +20,8 @@ log = "0.4"
 pretty_env_logger = "0.3"
 router = "0.6.0"
 serde = "1.0.104"
+serde_derive = "1.0.104"
+serde_json = "1.0.48"
 tokio = { version = "0.2", features = ["full"] }
 
 ## internal