diff --git a/Cargo.lock b/Cargo.lock
index 7af9008f2e0..e0c680699f3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -759,7 +759,7 @@ dependencies = [
  "bitflags 2.9.4",
  "cexpr",
  "clang-sys",
- "itertools 0.10.5",
+ "itertools 0.12.1",
  "lazy_static",
  "lazycell",
  "log",
@@ -782,7 +782,7 @@ dependencies = [
  "bitflags 2.9.4",
  "cexpr",
  "clang-sys",
- "itertools 0.10.5",
+ "itertools 0.13.0",
  "log",
  "prettyplease",
  "proc-macro2",
@@ -967,7 +967,7 @@ dependencies = [
  "camino-tempfile",
  "chacha20poly1305",
  "ciborium",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "hex",
  "hkdf",
  "omicron-common",
@@ -1603,7 +1603,7 @@ dependencies = [
  "camino-tempfile",
  "chrono",
  "daft",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "expectorate",
  "itertools 0.14.0",
  "omicron-common",
@@ -1745,7 +1745,7 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fde0e0ec90c9dfb3b4b1a0891a7dcd0e2bffde2f7efed5fe7c9bb00e5bfb915e"
 dependencies = [
- "windows-sys 0.48.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1881,9 +1881,9 @@ checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
 
 [[package]]
 name = "convert_case"
-version = "0.7.1"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb402b8d4c85569410425650ce3eddc7d698ed96d39a73f941b08fb63082f1e7"
+checksum = "633458d4ef8c78b72454de2d54fd6ab2e60f9e02be22f3c6104cdc8a4e0fceb9"
 dependencies = [
  "unicode-segmentation",
 ]
@@ -2117,7 +2117,7 @@ checksum = "d8b9f2e4c67f833b660cdb0a3523065869fb35570177239812ed4c905aeff87b"
 dependencies = [
  "bitflags 2.9.4",
  "crossterm_winapi",
- "derive_more 2.0.1",
+ "derive_more 2.1.1",
  "document-features",
  "futures-core",
  "mio",
@@ -2643,22 +2643,23 @@ dependencies = [
 
 [[package]]
 name = "derive_more"
-version = "2.0.1"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "093242cf7570c207c83073cf82f79706fe7b8317e98620a47d5be7c3d8497678"
+checksum = "d751e9e49156b02b44f9c1815bcb94b984cdcc4396ecc32521c739452808b134"
 dependencies = [
  "derive_more-impl",
 ]
 
 [[package]]
 name = "derive_more-impl"
-version = "2.0.1"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bda628edc44c4bb645fbe0f758797143e4e07926f7ebf4e9bdfbd3d2ce621df3"
+checksum = "799a97264921d8623a957f6c3b9011f3b5492f557bbb7a5a19b7fa6d06ba8dcb"
 dependencies = [
- "convert_case 0.7.1",
+ "convert_case 0.10.0",
  "proc-macro2",
  "quote",
+ "rustc_version 0.4.1",
  "syn 2.0.111",
 ]
 
@@ -7500,7 +7501,7 @@ dependencies = [
  "cookie",
  "daft",
  "derive-where",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "dropshot",
  "ereport-types",
  "expectorate",
@@ -8791,7 +8792,7 @@ dependencies = [
  "clickhouse-admin-types",
  "cockroach-admin-client",
  "crucible-agent-client",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "display-error-chain",
  "dns-server",
  "dns-service-client",
@@ -8990,6 +8991,8 @@ dependencies = [
  "daft",
  "data-encoding",
  "der",
+ "derive_more 2.1.1",
+ "derive_more-impl",
  "digest",
  "dof 0.3.0",
  "dof 0.4.0",
@@ -9028,6 +9031,8 @@ dependencies = [
  "ipnet",
  "ipnetwork",
  "itertools 0.10.5",
+ "itertools 0.12.1",
+ "itertools 0.13.0",
  "lalrpop-util",
  "lazy_static",
  "libc",
@@ -12989,7 +12994,7 @@ dependencies = [
  "camino-tempfile",
  "chrono",
  "debug-ignore",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "dropshot",
  "either",
  "expectorate",
@@ -13033,7 +13038,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-trait",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "dropshot",
  "futures",
  "illumos-utils",
@@ -13248,7 +13253,7 @@ dependencies = [
  "camino-tempfile",
  "cfg-if",
  "debug-ignore",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "expectorate",
  "futures",
  "glob",
@@ -13489,7 +13494,7 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03c3c6b7927ffe7ecaa769ee0e3994da3b8cafc8f444578982c83ecb161af917"
 dependencies = [
- "heck 0.4.1",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
  "syn 2.0.111",
@@ -15030,7 +15035,7 @@ dependencies = [
  "ciborium",
  "daft",
  "debug-ignore",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "dropshot",
  "futures",
  "gfss",
@@ -15077,7 +15082,7 @@ dependencies = [
  "chacha20poly1305",
  "ciborium",
  "daft",
- "derive_more 0.99.20",
+ "derive_more 2.1.1",
  "dropshot",
  "gfss",
  "hex",
diff --git a/Cargo.toml b/Cargo.toml
index 320e9f9302f..4ab2940434c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -446,7 +446,7 @@ omicron-ddm-admin-client = { path = "clients/ddm-admin-client" }
 datatest-stable = "0.3.2"
 db-macros = { path = "nexus/db-macros" }
 debug-ignore = "1.0.5"
-derive_more = "0.99.20"
+derive_more = "2.1.1"
 derive-where = "1.5.0"
 dev-tools-common = { path = "dev-tools/common" }
 # Having the i-implement-... feature here makes diesel go away from the workspace-hack
diff --git a/workspace-hack/Cargo.toml b/workspace-hack/Cargo.toml
index 7e394233a5c..dd646034b39 100644
--- a/workspace-hack/Cargo.toml
+++ b/workspace-hack/Cargo.toml
@@ -44,6 +44,7 @@ curve25519-dalek = { version = "4.1.3", features = ["digest", "legacy_compatibil
 daft = { version = "0.1.4", features = ["derive", "newtype-uuid1", "oxnet01", "uuid1"] }
 data-encoding = { version = "2.9.0" }
 der = { version = "0.7.10", default-features = false, features = ["derive", "flagset", "oid", "pem", "std"] }
+derive_more = { version = "2.1.1", features = ["is_variant"] }
 digest = { version = "0.10.7", features = ["mac", "oid", "std"] }
 ecdsa = { version = "0.16.9", features = ["pem", "signing", "std", "verifying"] }
 ed25519-dalek = { version = "2.1.1", features = ["digest", "pem", "rand_core"] }
@@ -76,6 +77,7 @@ indexmap = { version = "2.12.1", features = ["serde"] }
 inout = { version = "0.1.3", default-features = false, features = ["std"] }
 ipnet = { version = "2.11.0", features = ["serde"] }
 ipnetwork = { version = "0.21.1", features = ["schemars", "serde"] }
+itertools-594e8ee84c453af0 = { package = "itertools", version = "0.13.0" }
 lalrpop-util = { version = "0.19.12" }
 lazy_static = { version = "1.5.0", default-features = false, features = ["spin_no_std"] }
 libc = { version = "0.2.174", features = ["extra_traits"] }
@@ -184,6 +186,8 @@ curve25519-dalek = { version = "4.1.3", features = ["digest", "legacy_compatibil
 daft = { version = "0.1.4", features = ["derive", "newtype-uuid1", "oxnet01", "uuid1"] }
 data-encoding = { version = "2.9.0" }
 der = { version = "0.7.10", default-features = false, features = ["derive", "flagset", "oid", "pem", "std"] }
+derive_more = { version = "2.1.1", features = ["is_variant"] }
+derive_more-impl = { version = "2.1.1", features = ["is_variant"] }
 digest = { version = "0.10.7", features = ["mac", "oid", "std"] }
 ecdsa = { version = "0.16.9", features = ["pem", "signing", "std", "verifying"] }
 ed25519-dalek = { version = "2.1.1", features = ["digest", "pem", "rand_core"] }
@@ -216,6 +220,7 @@ indexmap = { version = "2.12.1", features = ["serde"] }
 inout = { version = "0.1.3", default-features = false, features = ["std"] }
 ipnet = { version = "2.11.0", features = ["serde"] }
 ipnetwork = { version = "0.21.1", features = ["schemars", "serde"] }
+itertools-594e8ee84c453af0 = { package = "itertools", version = "0.13.0" }
 lalrpop-util = { version = "0.19.12" }
 lazy_static = { version = "1.5.0", default-features = false, features = ["spin_no_std"] }
 libc = { version = "0.2.174", features = ["extra_traits"] }
@@ -382,7 +387,8 @@ dof-9fbad63c4bcf4a8f = { package = "dof", version = "0.4.0", default-features =
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3.4", default-features = false, features = ["std"] }
 hyper-rustls = { version = "0.27.7", features = ["http2", "ring", "webpki-tokio"] }
 hyper-util = { version = "0.1.19", features = ["full"] }
-itertools = { version = "0.10.5" }
+itertools-5ef9efb8ec2df382 = { package = "itertools", version = "0.12.1" }
+itertools-93f6ce9d446188ac = { package = "itertools", version = "0.10.5" }
 miniz_oxide = { version = "0.8.5", default-features = false, features = ["with-alloc"] }
 mio = { version = "1.0.2", features = ["net", "os-ext"] }
 nom = { version = "7.1.3" }
@@ -401,7 +407,8 @@ dof-9fbad63c4bcf4a8f = { package = "dof", version = "0.4.0", default-features =
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3.4", default-features = false, features = ["std"] }
 hyper-rustls = { version = "0.27.7", features = ["http2", "ring", "webpki-tokio"] }
 hyper-util = { version = "0.1.19", features = ["full"] }
-itertools = { version = "0.10.5" }
+itertools-5ef9efb8ec2df382 = { package = "itertools", version = "0.12.1" }
+itertools-93f6ce9d446188ac = { package = "itertools", version = "0.10.5" }
 miniz_oxide = { version = "0.8.5", default-features = false, features = ["with-alloc"] }
 mio = { version = "1.0.2", features = ["net", "os-ext"] }
 nom = { version = "7.1.3" }