diff --git a/Cargo.lock b/Cargo.lock
index cfec00551..6fec65553 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -758,7 +758,7 @@ dependencies = [
  "expectorate",
  "futures",
  "futures-core",
- "itertools 0.12.0",
+ "itertools 0.12.1",
  "libc",
  "omicron-common",
  "openapi-lint",
@@ -910,7 +910,7 @@ dependencies = [
  "http 0.2.11",
  "hyper",
  "hyper-staticfile",
- "itertools 0.12.0",
+ "itertools 0.12.1",
  "libc",
  "mime_guess",
  "nix",
@@ -1182,7 +1182,7 @@ dependencies = [
  "crucible-workspace-hack",
  "futures",
  "futures-core",
- "itertools 0.12.0",
+ "itertools 0.12.1",
  "ringbuffer",
  "serde",
  "serde_json",
@@ -2270,9 +2270,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
 dependencies = [
  "either",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 4ab26a2bd..f151bc241 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,7 +54,7 @@ httptest = "0.15.5"
 hyper = { version = "0.14", features = [ "full" ] }
 hyper-staticfile = "0.9"
 indicatif = { version = "0.17.7", features = ["rayon"] }
-itertools = "0.12.0"
+itertools = "0.12.1"
 libc = "0.2"
 mime_guess = "2.0.4"
 nbd = "0.2.3"