diff --git a/Cargo.lock b/Cargo.lock
index 7edd0ba..f29436e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -944,16 +944,16 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.19.2"
+version = "1.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
+checksum = "eb78f30e4b41e98ca4cce5acb51168a033839a7af9e42b380355808e14e98ee0"
 dependencies = [
+ "autocfg",
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "pin-project-lite",
  "socket2",
  "tokio-macros",
diff --git a/Cargo.toml b/Cargo.toml
index e251f01..3d4fb90 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,11 +22,11 @@ futures-util = "0.3"
 hashbag = "0.1.9"
 serde = { version = "1.0", features = ["derive"] }
 thiserror = "1.0"
-tokio = { version = "1.18", features = ["net", "rt-multi-thread", "io-util"] }
+tokio = { version = "1.20", features = ["net", "rt-multi-thread", "io-util"] }
 tonic = "0.7"
 
 [dev-dependencies]
 anyhow = "1.0"
-tokio = { version = "1.18", features = ["net", "rt-multi-thread", "io-util"] }
+tokio = { version = "1.20", features = ["net", "rt-multi-thread", "io-util"] }
 chrono = "0.4"
 rand = "0.8"