diff --git a/Cargo.lock b/Cargo.lock
index 74b3423..589e4cb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -749,16 +749,16 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.19.2"
+version = "1.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
+checksum = "664cf6576f16c0ad68184998f3c2d4be9903ede6b291a5b5cfc97d29e0057283"
 dependencies = [
+ "autocfg",
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 4c025c5..5111c48 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 utils = { path = "../utils" }
-tokio = { version = "1.18.1", features = ["full"] }
+tokio = { version = "1.20.3", features = ["full"] }
 mini-redis = "0.4"
 futures = "0.3.21"
 serde_json = "1.0.81"