diff --git a/Cargo.lock b/Cargo.lock
index da693f7..e95a2ac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -278,9 +278,9 @@ checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
 dependencies = [
  "either",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 8fa9821..b8d3d26 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ structopt = {version = "0.3", default-features = false }
 walkdir = "2"
 log = "0.4"
 ipnet = "2"
-itertools = "0.10"
+itertools = "0.12"
 thiserror = "1"
 anyhow = "1"