diff --git a/Cargo.lock b/Cargo.lock
index 5ab6103..1031a09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -636,9 +636,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.20.1"
+version = "1.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a8325f63a7d4774dd041e363b2409ed1c5cbbd0f867795e661df066b2b0a581"
+checksum = "664cf6576f16c0ad68184998f3c2d4be9903ede6b291a5b5cfc97d29e0057283"
 dependencies = [
  "autocfg",
  "bytes",
@@ -646,7 +646,6 @@ dependencies = [
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "pin-project-lite",
  "socket2",
  "tokio-macros",
diff --git a/Cargo.toml b/Cargo.toml
index 397b680..47316da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,13 +20,13 @@ enumflags2_derive = "0.7"
 bytes = "1.0"
 bitvec = "1.0"
 futures = "0.3"
-tokio = { version = "1.0", features = ["net", "io-util"] }
+tokio = { version = "1.20", features = ["net", "io-util"] }
 bluez-sys = { path = "sys", version = "0.4.0" }
 
 [dev-dependencies]
 anyhow = "1.0"
 clap = { version = "3.1.18", features = ["derive"] }
-tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread", "io-std", "time", "sync"] }
+tokio = { version = "1.20", features = ["macros", "rt", "rt-multi-thread", "io-std", "time", "sync"] }
 
 [[example]]
 name = "discover"