diff --git a/Cargo.lock b/Cargo.lock
index b11af51..af1c5d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1938,9 +1938,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.13"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c2dd2df839b57db9ab69c2c9d8f3e8c81984781937fe2807dc6dcf3b2ad2939"
+checksum = "c3083ce4b914124575708913bca19bfe887522d6e2e6d0952943f5eac4a74010"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -1948,9 +1948,9 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.13"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15496a72fabf0e62bdc3df11a59a3787429221dd0710ba8ef163d6f7a9112c94"
+checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
 
 [[package]]
 name = "futures-cpupool"
@@ -1992,9 +1992,9 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.13"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d71c2c65c57704c32f5241c1223167c2c3294fd34ac020c807ddbe6db287ba59"
+checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
 
 [[package]]
 name = "futures-lite"
@@ -2013,11 +2013,10 @@ dependencies = [
 
 [[package]]
 name = "futures-macro"
-version = "0.3.13"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea405816a5139fb39af82c2beb921d52143f556038378d6db21183a5c37fbfb7"
+checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
 dependencies = [
- "proc-macro-hack",
  "proc-macro2",
  "quote",
  "syn",
@@ -2036,15 +2035,15 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.13"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85754d98985841b7d4f5e8e6fbfa4a4ac847916893ec511a2917ccd8525b8bb3"
+checksum = "21163e139fa306126e6eedaf49ecdb4588f939600f0b1e770f4205ee4b7fa868"
 
 [[package]]
 name = "futures-task"
-version = "0.3.13"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa189ef211c15ee602667a6fcfe1c1fd9e07d42250d2156382820fba33c9df80"
+checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
 
 [[package]]
 name = "futures-timer"
@@ -2064,9 +2063,9 @@ dependencies = [
 
 [[package]]
 name = "futures-util"
-version = "0.3.13"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1812c7ab8aedf8d6f2701a43e1243acdbcc2b36ab26e2ad421eb99ac963d96d1"
+checksum = "d8b7abd5d659d9b90c8cba917f6ec750a74e2dc23902ef9cd4cc8c8b22e6036a"
 dependencies = [
  "futures 0.1.31",
  "futures-channel",
@@ -2078,8 +2077,6 @@ dependencies = [
  "memchr",
  "pin-project-lite 0.2.6",
  "pin-utils",
- "proc-macro-hack",
- "proc-macro-nested",
  "slab",
 ]
 
@@ -5834,12 +5831,6 @@ version = "0.5.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
-[[package]]
-name = "proc-macro-nested"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
diff --git a/client/keystore/Cargo.toml b/client/keystore/Cargo.toml
index fd9fd16..36ba7e7 100644
--- a/client/keystore/Cargo.toml
+++ b/client/keystore/Cargo.toml
@@ -18,7 +18,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 async-trait = "0.1.30"
 derive_more = "0.99.2"
 futures = "0.3.9"
-futures-util = "0.3.4"
+futures-util = "0.3.21"
 sp-application-crypto = { version = "3.0.0", path = "../../primitives/application-crypto" }
 sp-core = { version = "3.0.0", path = "../../primitives/core" }
 sp-keystore = { version = "0.9.0", path = "../../primitives/keystore" }
diff --git a/utils/prometheus/Cargo.toml b/utils/prometheus/Cargo.toml
index a7f90e8..6964275 100644
--- a/utils/prometheus/Cargo.toml
+++ b/utils/prometheus/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 log = "0.4.8"
 prometheus = { version = "0.11.0", default-features = false }
-futures-util = { version = "0.3.1", default-features = false, features = ["io"] }
+futures-util = { version = "0.3.21", default-features = false, features = ["io"] }
 derive_more = "0.99"
 
 [target.'cfg(not(target_os = "unknown"))'.dependencies]