diff --git a/Cargo.lock b/Cargo.lock
index acb0d93311..84df9d5562 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1197,10 +1197,12 @@ dependencies = [
  "built 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "dotenv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_env_logger 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
diff --git a/validator/Cargo.toml b/validator/Cargo.toml
index b39f4bdca7..38d75d4160 100644
--- a/validator/Cargo.toml
+++ b/validator/Cargo.toml
@@ -11,10 +11,12 @@ edition = "2018"
 clap = "2.33.0"
 # Read notes https://crates.io/crates/dotenv - tl;dr: don't use in production, set environmental variables properly.
 dotenv = "0.15.0"
+futures = "0.3.1"
 log = "0.4.8"
 pretty_env_logger = "0.3.1"
 serde = "1.0.104"
 serde_derive = "1.0.104"
+tokio = { version = "0.2", features = ["full"] }
 toml = "0.5.5"
 
 [build-dependencies]