diff --git a/Cargo.lock b/Cargo.lock
index 13fa04e..c0970c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -977,16 +977,15 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.17.0"
+version = "1.18.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2af73ac49756f3f7c01172e34a23e5d0216f6c32333757c2c61feb2bbff5a5ee"
+checksum = "8bfb875c82dc0a4f1f37a30e720dee181a2b3a06a428b0fc6873ea38d6407850"
 dependencies = [
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot 0.12.0",
  "pin-project-lite",
  "signal-hook-registry",
diff --git a/Cargo.toml b/Cargo.toml
index 56e3e9e..3069891 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,6 @@ postgres = "0.19.2"
 rand = "0.8.4"
 serde = {version = "^1.0", features = ["derive"]}
 serde_json = "1.0"
-tokio = {version = "^1.15.0", features = ["full"]}
+tokio = {version = "^1.18.4", features = ["full"]}
 wait-timeout = "0.2"
 walkdir = "2.3.2"