diff --git a/Cargo.lock b/Cargo.lock
index e8892c92ae..24dbad1e00 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3730,7 +3730,7 @@ dependencies = [
  "installinator-client",
  "installinator-common",
  "ipcc",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "libc",
  "omicron-common",
  "omicron-ddm-admin-client",
@@ -4790,7 +4790,7 @@ dependencies = [
  "illumos-utils",
  "internal-dns",
  "ipnetwork",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "macaddr",
  "nexus-auth",
  "nexus-config",
@@ -5718,7 +5718,7 @@ dependencies = [
  "illumos-utils",
  "internal-dns",
  "ipnetwork",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "macaddr",
  "mg-admin-client",
  "nexus-auth",
@@ -5999,7 +5999,7 @@ dependencies = [
  "installinator-common",
  "internal-dns",
  "ipnetwork",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "key-manager",
  "libc",
  "macaddr",
@@ -6597,7 +6597,7 @@ dependencies = [
  "futures",
  "highway",
  "indexmap 2.3.0",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "num",
  "omicron-common",
  "omicron-test-utils",
@@ -10583,7 +10583,7 @@ dependencies = [
  "futures",
  "hex",
  "hubtools",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "omicron-common",
  "omicron-test-utils",
  "omicron-workspace-hack",
@@ -11258,7 +11258,7 @@ dependencies = [
  "humantime",
  "indexmap 2.3.0",
  "indicatif",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "maplit",
  "omicron-common",
  "omicron-passwords",
@@ -11374,7 +11374,7 @@ dependencies = [
  "installinator-client",
  "installinator-common",
  "internal-dns",
- "itertools 0.12.1",
+ "itertools 0.13.0",
  "maplit",
  "omicron-certificates",
  "omicron-common",
diff --git a/Cargo.toml b/Cargo.toml
index 496d64b8d0..01c9eee011 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -373,7 +373,7 @@ installinator-common = { path = "installinator-common" }
 internal-dns = { path = "internal-dns" }
 ipcc = { path = "ipcc" }
 ipnet = "2.9"
-itertools = "0.12.1"
+itertools = "0.13.0"
 internet-checksum = "0.2"
 ipnetwork = { version = "0.20", features = ["schemars"] }
 ispf = { git = "https://github.com/oxidecomputer/ispf" }