diff --git a/Cargo.lock b/Cargo.lock
index 08122ddf..f6e4dc28 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -722,7 +722,7 @@ dependencies = [
  "clap",
  "criterion-plot",
  "csv",
- "itertools 0.10.0",
+ "itertools 0.10.1",
  "lazy_static",
  "num-traits",
  "oorandom",
@@ -1785,9 +1785,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37d572918e350e82412fe766d24b15e6682fb2ed2bbe018280caa810397cb319"
+checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
 dependencies = [
  "either",
 ]
@@ -4426,7 +4426,7 @@ dependencies = [
  "group",
  "halo2",
  "hex",
- "itertools 0.10.0",
+ "itertools 0.10.1",
  "jubjub",
  "lazy_static",
  "primitive-types",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 89ecb7c4..48757d90 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -47,7 +47,7 @@ x25519-dalek = { version = "1.1", features = ["serde"] }
 
 proptest = { version = "0.10", optional = true }
 proptest-derive = { version = "0.3.0", optional = true }
-itertools = { version = "0.10.0", optional = true }
+itertools = { version = "0.10.1", optional = true }
 
 # ZF deps
 ed25519-zebra = "2"
@@ -60,7 +60,7 @@ zebra-test = { path = "../zebra-test/", optional = true }
 bincode = "1"
 color-eyre = "0.5.11"
 criterion = { version = "0.3", features = ["html_reports"] }
-itertools = "0.10.0"
+itertools = "0.10.1"
 spandoc = "0.2"
 tracing = "0.1.26"