diff --git a/Cargo.lock b/Cargo.lock
index 1603420..a06f502 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -509,6 +509,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -667,7 +676,7 @@ dependencies = [
  "indoc",
  "inkwell",
  "insta",
- "itertools 0.11.0",
+ "itertools 0.12.0",
  "nac3parser",
  "parking_lot",
  "rayon",
diff --git a/nac3core/Cargo.toml b/nac3core/Cargo.toml
index 41415df..b28e3d6 100644
--- a/nac3core/Cargo.toml
+++ b/nac3core/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["M-Labs"]
 edition = "2021"
 
 [dependencies]
-itertools = "0.11"
+itertools = "0.12"
 crossbeam = "0.8"
 parking_lot = "0.12"
 rayon = "1.5"