diff --git a/Cargo.lock b/Cargo.lock
index dd720e79..85cc710f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -757,9 +757,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
+checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
 dependencies = [
  "either",
 ]
diff --git a/consensus/Cargo.toml b/consensus/Cargo.toml
index f84a56f9..b86cb986 100644
--- a/consensus/Cargo.toml
+++ b/consensus/Cargo.toml
@@ -21,7 +21,7 @@ codec = { package = "parity-scale-codec", version = "3.0", default-features = fa
 derivative = "2.2.0"
 futures = "0.3"
 futures-timer = "3.0"
-itertools = "0.11"
+itertools = "0.12"
 log = "0.4"
 parking_lot = "0.12"
 rand = "0.8"