diff --git a/Cargo.lock b/Cargo.lock
index c7f323b43..7d55c542e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -523,7 +523,7 @@ dependencies = [
  "futures-executor 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-io 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -547,7 +547,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -575,11 +575,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures-task"
-version = "0.3.5"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "futures-timer"
@@ -600,7 +597,7 @@ dependencies = [
  "futures-io 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-macro 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-utils 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2197,7 +2194,7 @@ dependencies = [
 "checksum futures-io 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "de27142b013a8e869c14957e6d2edeef89e97c289e69d042ee3a49acd8b51789"
 "checksum futures-macro 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d0b5a30a4328ab5473878237c447333c093297bded83a4983d10f4deea240d39"
 "checksum futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3f2032893cb734c7a05d85ce0cc8b8c4075278e93b24b66f9de99d6eb0fa8acc"
-"checksum futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "bdb66b5f09e22019b1ab0830f7785bcea8e7a42148683f99214f73f8ec21a626"
+"checksum futures-task 0.3.21 (registry+https://github.com/rust-lang/crates.io-index)" = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
 "checksum futures-timer 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
 "checksum futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "8764574ff08b701a084482c3c7031349104b07ac897393010494beaa18ce32c6"
 "checksum futures_codec 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fe8859feb7140742ed1a2a85a07941100ad2b5f98a421b353931d718a34144d1"