diff --git a/rustfmt.toml b/.rustfmt.toml
similarity index 100%
rename from rustfmt.toml
rename to .rustfmt.toml
diff --git a/Cargo.toml b/Cargo.toml
index 8eb1c3f..385d5df 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -90,11 +90,12 @@ awc = "3"
 
 chrono = { version = "0.4.20", default-features = false, features = ["clock", "serde"] }
 derive_more = "0.99.7"
+dotenv = "0.15"
 env_logger = "0.10"
 futures-util = { version = "0.3.17", default-features = false, features = ["std"] }
 log = "0.4"
 rand = "0.8"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-tokio = { version = "1.24.2", features = ["sync"] }
+tokio = { version = "1.24.2", features = ["sync", "io-util"] }
 tokio-util = "0.7.4"