diff --git a/Cargo.lock b/Cargo.lock
index a835e79..019d9c4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1968,16 +1968,15 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.21.1"
+version = "1.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0020c875007ad96677dcc890298f4b942882c5d4eb7cc8f439fc3bf813dc9c95"
+checksum = "a9e03c497dc955702ba729190dc4aac6f2a0ce97f913e5b1b5912fc5039d9099"
 dependencies = [
  "autocfg",
  "bytes",
  "libc",
  "memchr",
  "mio",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
diff --git a/Cargo.toml b/Cargo.toml
index 4165da1..408db01 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,4 +44,4 @@ vergen = { version = "7.3.1", default-features = false, features = ["git"] }
 awc = "3.0.1"
 ructe = "0.15.0"
 tempfile = "3.3.0"
-tokio = "1.21.1"
+tokio = "1.21.2"