diff --git a/Cargo.lock b/Cargo.lock
index 9a19d35f8..7f09e1f42 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -385,9 +385,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.5.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83f0c8e7c0addab50b663055baf787d0af7f413a46e6e7fb9559a4e4db7137a5"
+checksum = "c2c2416fdedca8443ae44b4527de1ea633af61d8f7169ffa6e72c5b53d24efcc"
 dependencies = [
  "autocfg",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index a56f92cac..9965f4a4c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,13 +23,13 @@ futures = { version = "0.3", optional = true }
 pin-project = { version = "1.0.6", optional = true }
 quickcheck = { version = "1.0.3", optional = true }
 rand = { version = "0.8", features = ["getrandom", "small_rng"], optional = true }
-tokio = { version = "1.5.0", optional = true }
+tokio = { version = "1.12.0", optional = true }
 
 [dev-dependencies]
 itertools = "0.10.0"
 lazy_static = "1"
 quickcheck = "1.0.3"
-tokio = { version = "1.5.0", features = ["io-util", "macros", "rt-multi-thread"] }
+tokio = { version = "1.12.0", features = ["io-util", "macros", "rt-multi-thread"] }
 
 [[example]]
 name = "buggy_write"