diff --git a/Cargo.lock b/Cargo.lock
index 7ed0ae528d..af51ab3c6b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3113,7 +3113,7 @@ dependencies = [
  "impl-serde",
  "ink_ir",
  "ink_primitives",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "parity-scale-codec",
  "polkavm-derive",
  "proc-macro2",
@@ -3137,7 +3137,7 @@ dependencies = [
  "ink_env",
  "ink_primitives",
  "ink_sandbox",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "jsonrpsee",
  "pallet-revive",
  "pallet-revive-mock-network",
@@ -3231,7 +3231,7 @@ dependencies = [
  "either",
  "impl-serde",
  "ink_prelude",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "proc-macro2",
  "quote",
  "syn 2.0.93",
@@ -3333,7 +3333,7 @@ dependencies = [
  "ink_prelude",
  "ink_primitives",
  "ink_storage_traits",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "pallet-revive-uapi",
  "parity-scale-codec",
  "quickcheck",
@@ -3404,6 +3404,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.14"
diff --git a/Cargo.toml b/Cargo.toml
index 799ca6d56b..8094b8ca5c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,7 +45,7 @@ either = { version = "1.13", default-features = false }
 funty = { version = "2.0.0" }
 heck = { version = "0.5.0" }
 impl-serde = { version = "0.5.0", default-features = false }
-itertools = { version = "0.13.0", default-features = false }
+itertools = { version = "0.14.0", default-features = false }
 jsonrpsee = { version = "0.24.7" }
 linkme = { version = "0.3.30" }
 num-traits = { version = "0.2", default-features = false }
diff --git a/crates/e2e/Cargo.toml b/crates/e2e/Cargo.toml
index 23393a16d7..f2e8e2c3e1 100644
--- a/crates/e2e/Cargo.toml
+++ b/crates/e2e/Cargo.toml
@@ -47,7 +47,7 @@ sp-keyring = { workspace = true }
 sp-runtime = { workspace = true }
 sp-weights = { workspace = true }
 regex = "1.11.1"
-itertools = "0.13.0"
+itertools = "0.14.0"
 
 [dev-dependencies]
 # Required for the doctest of `MessageBuilder::call`