diff --git a/Cargo.lock b/Cargo.lock
index 56239f59258e..420d1b537243 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -267,7 +267,7 @@ dependencies = [
  "executor-types",
  "futures 0.3.8",
  "hex",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "num_cpus",
  "once_cell",
  "pin-project 1.0.2",
@@ -517,7 +517,7 @@ dependencies = [
  "diem-types",
  "diem-workspace-hack",
  "ir-to-bytecode",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "log",
  "move-core-types",
  "move-prover-test-utils",
@@ -800,7 +800,7 @@ dependencies = [
  "futures 0.3.8",
  "generate-key",
  "hex",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "k8s-openapi",
  "kube",
  "network",
@@ -933,7 +933,7 @@ dependencies = [
  "executor-types",
  "fail",
  "futures 0.3.8",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "mirai-annotations",
  "network",
  "num-derive",
@@ -1806,7 +1806,7 @@ dependencies = [
  "diem-workspace-hack",
  "fail",
  "futures 0.3.8",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "mirai-annotations",
  "netcore",
  "network",
@@ -2179,7 +2179,7 @@ dependencies = [
  "diem-proptest-helpers",
  "diem-workspace-hack",
  "hex",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "mirai-annotations",
  "move-core-types",
  "once_cell",
@@ -2286,7 +2286,7 @@ dependencies = [
  "bytes",
  "cc",
  "chrono",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "itoa",
  "log",
  "memchr",
@@ -2347,7 +2347,7 @@ dependencies = [
  "diem-temppath",
  "diem-types",
  "diem-workspace-hack",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "num-derive",
  "num-traits",
  "num-variants",
@@ -2496,7 +2496,7 @@ dependencies = [
  "datatest-stable",
  "diem-temppath",
  "diem-workspace-hack",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "log",
  "move-prover",
  "move-prover-test-utils",
@@ -2691,7 +2691,7 @@ dependencies = [
  "executor-test-helpers",
  "executor-types",
  "fail",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "move-core-types",
  "once_cell",
  "proptest",
@@ -2719,7 +2719,7 @@ dependencies = [
  "diemdb",
  "executor",
  "executor-types",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "rand 0.7.3",
  "rayon",
  "storage-client",
@@ -2895,7 +2895,7 @@ dependencies = [
  "diem-workspace-hack",
  "difference",
  "hex",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "language-e2e-tests",
  "mirai-annotations",
  "move-core-types",
@@ -3603,6 +3603,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8bf247779e67a9082a4790b45e71ac7cfd1321331a5c856a74a9faebdab78d0"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "0.4.6"
@@ -4225,7 +4234,7 @@ dependencies = [
  "futures 0.3.8",
  "handlebars",
  "hex",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "log",
  "move-ir-types",
  "move-lang",
@@ -5907,7 +5916,7 @@ dependencies = [
  "diem-infallible",
  "diem-types",
  "diem-workspace-hack",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "proptest",
 ]
 
@@ -6371,7 +6380,7 @@ dependencies = [
  "datatest-stable",
  "diem-types",
  "diem-workspace-hack",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "log",
  "move-core-types",
  "move-ir-types",
@@ -6427,7 +6436,7 @@ dependencies = [
  "executor-types",
  "fail",
  "futures 0.3.8",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "memsocket",
  "netcore",
  "network",
@@ -6564,7 +6573,7 @@ dependencies = [
  "diem-state-view",
  "diem-types",
  "diem-workspace-hack",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "move-core-types",
  "scratchpad",
  "serde",
@@ -6587,7 +6596,7 @@ dependencies = [
  "diem-workspace-hack",
  "diemdb",
  "futures 0.3.8",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "proptest",
  "rand 0.7.3",
  "storage-client",
@@ -6806,7 +6815,7 @@ dependencies = [
  "diem-workspace-hack",
  "getrandom 0.2.0",
  "hex",
- "itertools 0.9.0",
+ "itertools 0.10.4",
  "language-e2e-tests",
  "mirai-annotations",
  "module-generation",
diff --git a/common/workspace-hack/Cargo.toml b/common/workspace-hack/Cargo.toml
index c29744c7aabf..7052ca723d88 100644
--- a/common/workspace-hack/Cargo.toml
+++ b/common/workspace-hack/Cargo.toml
@@ -14,7 +14,7 @@ byteorder = { version = "1.3.4", features = ["i128", "std"] }
 bytes = { version = "0.5.6", features = ["serde", "std"] }
 cc = { version = "1.0.66", features = ["jobserver", "parallel"] }
 chrono = "0.4.19"
-itertools = "0.9.0"
+itertools = "0.10.4"
 itoa = "0.4.6"
 log = { version = "0.4.11", features = ["serde", "std"] }
 memchr = { version = "2.3.4", features = ["std", "use_std"] }
diff --git a/consensus/Cargo.toml b/consensus/Cargo.toml
index 8e16bb239c1a..4303c942880b 100644
--- a/consensus/Cargo.toml
+++ b/consensus/Cargo.toml
@@ -16,7 +16,7 @@ byteorder = { version = "1.3.4", default-features = false }
 bytes = "0.5.6"
 fail = "0.4.0"
 futures = "0.3.8"
-itertools = { version = "0.9.0", default-features = false }
+itertools = { version = "0.10.4", default-features = false }
 mirai-annotations = { version = "1.10.1", default-features = false }
 num-derive = { version = "0.3.3", default-features = false }
 num-traits = { version = "0.2.14", default-features = false }
diff --git a/execution/executor-benchmark/Cargo.toml b/execution/executor-benchmark/Cargo.toml
index eaf70a497e2d..833c1d374f7f 100644
--- a/execution/executor-benchmark/Cargo.toml
+++ b/execution/executor-benchmark/Cargo.toml
@@ -10,7 +10,7 @@ publish = false
 edition = "2018"
 
 [dependencies]
-itertools = { version = "0.9.0", default-features = false }
+itertools = { version = "0.10.4", default-features = false }
 rand = "0.7.3"
 rayon = "1.5.0"
 structopt = "0.3.21"
diff --git a/execution/executor/Cargo.toml b/execution/executor/Cargo.toml
index 736e139cd6eb..ecc8d6b3fead 100644
--- a/execution/executor/Cargo.toml
+++ b/execution/executor/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 [dependencies]
 anyhow = "1.0.36"
 fail = "0.4.0"
-itertools = { version = "0.9.0", default-features = false }
+itertools = { version = "0.10.4", default-features = false }
 once_cell = "1.4.1"
 serde_json = "1.0.60"
 serde = { version = "1.0.117", features = ["derive"] }
diff --git a/language/move-prover/Cargo.toml b/language/move-prover/Cargo.toml
index 4e33302d4981..9e1fed0aad1e 100644
--- a/language/move-prover/Cargo.toml
+++ b/language/move-prover/Cargo.toml
@@ -30,7 +30,7 @@ codespan-reporting = "0.8.0"
 futures = "0.3.8"
 handlebars = "3.5.1"
 hex = "0.4.2"
-itertools = "0.9.0"
+itertools = "0.10.4"
 log = "0.4.11"
 num = "0.3.0"
 pretty = "0.10.0"
diff --git a/language/move-prover/bytecode/Cargo.toml b/language/move-prover/bytecode/Cargo.toml
index a299a3984b81..0468def0847b 100644
--- a/language/move-prover/bytecode/Cargo.toml
+++ b/language/move-prover/bytecode/Cargo.toml
@@ -17,7 +17,7 @@ borrow-graph = { path = "../../borrow-graph", version = "0.0.1" }
 ir-to-bytecode = { path = "../../compiler/ir-to-bytecode", version = "0.1.0" }
 diem-workspace-hack = { path = "../../../common/workspace-hack", version = "0.1.0" }
 num = "0.3.0"
-itertools = "0.9.0"
+itertools = "0.10.4"
 diem-types = { path = "../../../types", version = "0.1.0" }
 move-core-types = { path = "../../move-core/types", version = "0.1.0" }
 log = "0.4.11"
diff --git a/language/move-prover/docgen/Cargo.toml b/language/move-prover/docgen/Cargo.toml
index 0688cd1f5d9e..f3e149430506 100644
--- a/language/move-prover/docgen/Cargo.toml
+++ b/language/move-prover/docgen/Cargo.toml
@@ -15,7 +15,7 @@ diem-workspace-hack = { path = "../../../common/workspace-hack", version = "0.1.
 # external dependencies
 codespan = "0.8.0"
 codespan-reporting = "0.8.0"
-itertools = "0.9.0"
+itertools = "0.10.4"
 log = "0.4.11"
 num = "0.3.0"
 regex = "1.4.2"
diff --git a/language/move-prover/spec-lang/Cargo.toml b/language/move-prover/spec-lang/Cargo.toml
index 0c620d697acc..e0f3f3a97fa1 100644
--- a/language/move-prover/spec-lang/Cargo.toml
+++ b/language/move-prover/spec-lang/Cargo.toml
@@ -20,7 +20,7 @@ move-core-types = { path = "../../move-core/types", version = "0.1.0" }
 # external dependencies
 codespan = "0.8.0"
 codespan-reporting = "0.8.0"
-itertools = "0.9.0"
+itertools = "0.10.4"
 log = "0.4.11"
 num = "0.3.0"
 once_cell = "1.4.1"
diff --git a/language/testing-infra/functional-tests/Cargo.toml b/language/testing-infra/functional-tests/Cargo.toml
index f0a2a9d7aa6e..55859190ddff 100644
--- a/language/testing-infra/functional-tests/Cargo.toml
+++ b/language/testing-infra/functional-tests/Cargo.toml
@@ -29,7 +29,7 @@ datatest-stable = { path = "../../../common/datatest-stable", version = "0.1.0"
 mirai-annotations = "1.10.1"
 move-core-types = { path = "../../move-core/types", version = "0.1.0" }
 compiled-stdlib = { path = "../../stdlib/compiled",  version = "0.1.0" }
-itertools = "0.9.0"
+itertools = "0.10.4"
 difference = "2.0.0"
 term_size = "0.3.2"
 vm-genesis = { path = "../../tools/vm-genesis", version = "0.1.0" }
diff --git a/language/testing-infra/test-generation/Cargo.toml b/language/testing-infra/test-generation/Cargo.toml
index 723d96e40022..1d4e3f917d1c 100644
--- a/language/testing-infra/test-generation/Cargo.toml
+++ b/language/testing-infra/test-generation/Cargo.toml
@@ -14,7 +14,7 @@ rand = "0.7.3"
 num_cpus = "1.13.0"
 mirai-annotations = "1.10.1"
 structopt = "0.3.21"
-itertools = "0.9.0"
+itertools = "0.10.4"
 hex = "0.4.2"
 getrandom = "0.2.0"
 crossbeam-channel = "0.5.0"
diff --git a/mempool/Cargo.toml b/mempool/Cargo.toml
index 2693838da700..815cd962bef6 100644
--- a/mempool/Cargo.toml
+++ b/mempool/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 anyhow = "1.0.36"
 fail = "0.4.0"
 futures = "0.3.8"
-itertools = "0.9.0"
+itertools = "0.10.4"
 once_cell = "1.4.1"
 proptest = { version = "0.10.1", optional = true }
 rayon = "1.4.1"
diff --git a/state-synchronizer/Cargo.toml b/state-synchronizer/Cargo.toml
index 0f7b0b070c2f..fda0acb775b6 100644
--- a/state-synchronizer/Cargo.toml
+++ b/state-synchronizer/Cargo.toml
@@ -17,7 +17,7 @@ serde = { version = "1.0.117", default-features = false }
 once_cell = "1.4.1"
 rand = "0.7.3"
 tokio = { version = "0.2.22", features = ["full"] }
-itertools = { version = "0.9.0", default-features = false }
+itertools = { version = "0.10.4", default-features = false }
 proptest = { version = "0.10.1", optional = true }
 
 channel = { path = "../common/channel", version = "0.1.0" }
diff --git a/storage/backup/backup-cli/Cargo.toml b/storage/backup/backup-cli/Cargo.toml
index 8052425d1c83..c9a13d889f4a 100644
--- a/storage/backup/backup-cli/Cargo.toml
+++ b/storage/backup/backup-cli/Cargo.toml
@@ -15,7 +15,7 @@ byteorder = "1.3.4"
 bytes = "0.5.6"
 futures = "0.3.8"
 hex = "0.4.2"
-itertools = "0.9.0"
+itertools = "0.10.4"
 num_cpus = "1.13.0"
 once_cell = "1.4.1"
 pin-project = "1.0.2"
diff --git a/storage/diemdb/Cargo.toml b/storage/diemdb/Cargo.toml
index 80a02792ab7a..a04d9cacc722 100644
--- a/storage/diemdb/Cargo.toml
+++ b/storage/diemdb/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 anyhow = "1.0.36"
 arc-swap = "1.1.0"
 byteorder = "1.3.4"
-itertools = "0.9.0"
+itertools = "0.10.4"
 once_cell = "1.4.1"
 num-derive = "0.3.3"
 num-traits = "0.2.14"
diff --git a/storage/scratchpad/Cargo.toml b/storage/scratchpad/Cargo.toml
index 731caf36a361..fb21e5626bb7 100644
--- a/storage/scratchpad/Cargo.toml
+++ b/storage/scratchpad/Cargo.toml
@@ -10,7 +10,7 @@ publish = false
 edition = "2018"
 
 [dependencies]
-itertools = "0.9.0"
+itertools = "0.10.4"
 
 diem-crypto = { path = "../../crypto/crypto", version = "0.1.0" }
 diem-infallible = { path = "../../common/infallible", version = "0.1.0" }
diff --git a/storage/storage-interface/Cargo.toml b/storage/storage-interface/Cargo.toml
index b6b66d32a82f..ec1cfe435bbb 100644
--- a/storage/storage-interface/Cargo.toml
+++ b/storage/storage-interface/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 
 [dependencies]
 anyhow = "1.0.36"
-itertools = "0.9.0"
+itertools = "0.10.4"
 serde = { version = "1.0.117", default-features = false }
 thiserror = "1.0.22"
 
diff --git a/storage/storage-service/Cargo.toml b/storage/storage-service/Cargo.toml
index 44abd0346a5f..31ebb933751e 100644
--- a/storage/storage-service/Cargo.toml
+++ b/storage/storage-service/Cargo.toml
@@ -29,7 +29,7 @@ storage-client = { path = "../storage-client", version = "0.1.0", optional = tru
 proptest = { version = "0.10.1", optional = true }
 
 [dev-dependencies]
-itertools = "0.9.0"
+itertools = "0.10.4"
 diemdb = { path = "../diemdb", version = "0.1.0", features = ["fuzzing"] }
 diem-temppath = { path = "../../common/temppath", version = "0.1.0" }
 proptest = "0.10.1"
diff --git a/testsuite/cluster-test/Cargo.toml b/testsuite/cluster-test/Cargo.toml
index 137448b6f0e1..b7cc57df2b3f 100644
--- a/testsuite/cluster-test/Cargo.toml
+++ b/testsuite/cluster-test/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 anyhow = "1.0.36"
 flate2 = { version = "1.0.19", features = ["rust_backend"], default-features = false }
 hex = "0.4.2"
-itertools = "0.9.0"
+itertools = "0.10.4"
 once_cell = "1.4.1"
 rand = "0.7.3"
 regex = { version = "1.4.2", default-features = false, features = ["std", "perf"] }
diff --git a/types/Cargo.toml b/types/Cargo.toml
index a57729c27d59..14e37d9d6470 100644
--- a/types/Cargo.toml
+++ b/types/Cargo.toml
@@ -14,7 +14,7 @@ anyhow = "1.0.36"
 bytes = "0.5.6"
 chrono = { version = "0.4.19", default-features = false, features = ["clock"] }
 hex = "0.4.2"
-itertools = { version = "0.9.0", default-features = false }
+itertools = { version = "0.10.4", default-features = false }
 once_cell = "1.4.1"
 mirai-annotations = "1.10.1"
 proptest = { version = "0.10.1", default-features = false, optional = true }