diff --git a/Cargo.lock b/Cargo.lock
index a93912c9a32..5bf7233889b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2214,7 +2214,7 @@ dependencies = [
  "dhcproto",
  "http 0.2.12",
  "humantime",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "internet-checksum",
  "ispf",
  "macaddr",
@@ -3242,9 +3242,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5aa53871fc917b1a9ed87b683a5d86db645e23acb32c2e0785a353e522fb75"
+checksum = "186548d73ac615b32a73aafe38fb4f56c0d340e110e5a200bcadbaf2e199263a"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -3254,6 +3254,7 @@ dependencies = [
  "httparse",
  "itoa",
  "pin-project-lite",
+ "smallvec 1.13.1",
  "tokio",
  "want",
 ]
@@ -3280,7 +3281,7 @@ checksum = "a0bea761b46ae2b24eb4aef630d8d1c398157b6fc29e6350ecf090a0b70c952c"
 dependencies = [
  "futures-util",
  "http 1.0.0",
- "hyper 1.1.0",
+ "hyper 1.2.0",
  "hyper-util",
  "log",
  "rustls 0.22.2",
@@ -3334,7 +3335,7 @@ dependencies = [
  "futures-util",
  "http 1.0.0",
  "http-body 1.0.0",
- "hyper 1.1.0",
+ "hyper 1.2.0",
  "pin-project-lite",
  "socket2 0.5.5",
  "tokio",
@@ -3596,7 +3597,7 @@ dependencies = [
  "clap 4.5.1",
  "dropshot",
  "expectorate",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "installinator-common",
  "omicron-common",
  "omicron-test-utils",
@@ -3652,7 +3653,7 @@ dependencies = [
  "dropshot",
  "expectorate",
  "futures",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "omicron-common",
  "omicron-test-utils",
  "omicron-workspace-hack",
@@ -4452,7 +4453,7 @@ dependencies = [
  "gateway-client",
  "headers",
  "http 0.2.12",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "hyper-rustls 0.26.0",
  "illumos-utils",
  "internal-dns",
@@ -4679,7 +4680,7 @@ dependencies = [
  "gateway-test-utils",
  "headers",
  "http 0.2.12",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "illumos-utils",
  "internal-dns",
  "nexus-config",
@@ -5146,7 +5147,7 @@ dependencies = [
  "gateway-test-utils",
  "hex",
  "http 0.2.12",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "illumos-utils",
  "ipcc",
  "omicron-common",
@@ -5208,7 +5209,7 @@ dependencies = [
  "http 0.2.12",
  "httptest",
  "hubtools",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "hyper-rustls 0.26.0",
  "illumos-utils",
  "internal-dns",
@@ -5441,7 +5442,7 @@ dependencies = [
  "guppy",
  "hex",
  "http 0.2.12",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "hyper-staticfile",
  "illumos-utils",
  "installinator-common",
@@ -5598,6 +5599,7 @@ dependencies = [
  "hex",
  "hmac",
  "hyper 0.14.28",
+ "hyper 1.2.0",
  "indexmap 2.2.5",
  "inout",
  "ipnetwork",
@@ -5637,6 +5639,7 @@ dependencies = [
  "sha2",
  "similar",
  "slog",
+ "smallvec 1.13.1",
  "spin 0.9.8",
  "string_cache",
  "subtle",
@@ -5872,7 +5875,7 @@ dependencies = [
  "chrono",
  "futures",
  "http 0.2.12",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "omicron-workspace-hack",
  "progenitor",
  "rand 0.8.5",
@@ -5949,7 +5952,7 @@ dependencies = [
  "dropshot",
  "expectorate",
  "futures",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "internal-dns",
  "nexus-client",
  "nexus-types",
@@ -10664,7 +10667,7 @@ dependencies = [
  "hex",
  "http 0.2.12",
  "hubtools",
- "hyper 0.14.28",
+ "hyper 1.2.0",
  "illumos-utils",
  "installinator",
  "installinator-artifact-client",
diff --git a/Cargo.toml b/Cargo.toml
index 6e5b23b6acc..182c028fa55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -237,7 +237,7 @@ http = "0.2.12"
 httptest = "0.15.5"
 hubtools = { git = "https://github.com/oxidecomputer/hubtools.git", branch = "main" }
 humantime = "2.1.0"
-hyper = "0.14"
+hyper = "1.2"
 hyper-rustls = "0.26.0"
 hyper-staticfile = "0.9.5"
 illumos-utils = { path = "illumos-utils" }
diff --git a/workspace-hack/Cargo.toml b/workspace-hack/Cargo.toml
index a2d853ac230..ca7d715ef67 100644
--- a/workspace-hack/Cargo.toml
+++ b/workspace-hack/Cargo.toml
@@ -57,7 +57,7 @@ group = { version = "0.13.0", default-features = false, features = ["alloc"] }
 hashbrown = { version = "0.14.3", features = ["raw"] }
 hex = { version = "0.4.3", features = ["serde"] }
 hmac = { version = "0.12.1", default-features = false, features = ["reset"] }
-hyper = { version = "0.14.28", features = ["full"] }
+hyper-dff4ba8e3ae991db = { package = "hyper", version = "1.2.0", features = ["client", "http1"] }
 indexmap = { version = "2.2.5", features = ["serde"] }
 inout = { version = "0.1.3", default-features = false, features = ["std"] }
 ipnetwork = { version = "0.20.0", features = ["schemars"] }
@@ -94,6 +94,7 @@ serde_json = { version = "1.0.114", features = ["raw_value", "unbounded_depth"]
 sha2 = { version = "0.10.8", features = ["oid"] }
 similar = { version = "2.4.0", features = ["inline", "unicode"] }
 slog = { version = "2.7.0", features = ["dynamic-keys", "max_level_trace", "release_max_level_debug", "release_max_level_trace"] }
+smallvec = { version = "1.13.1", default-features = false, features = ["const_new"] }
 spin = { version = "0.9.8" }
 string_cache = { version = "0.8.7" }
 subtle = { version = "2.5.0" }
@@ -162,7 +163,7 @@ group = { version = "0.13.0", default-features = false, features = ["alloc"] }
 hashbrown = { version = "0.14.3", features = ["raw"] }
 hex = { version = "0.4.3", features = ["serde"] }
 hmac = { version = "0.12.1", default-features = false, features = ["reset"] }
-hyper = { version = "0.14.28", features = ["full"] }
+hyper-dff4ba8e3ae991db = { package = "hyper", version = "1.2.0", features = ["client", "http1"] }
 indexmap = { version = "2.2.5", features = ["serde"] }
 inout = { version = "0.1.3", default-features = false, features = ["std"] }
 ipnetwork = { version = "0.20.0", features = ["schemars"] }
@@ -199,6 +200,7 @@ serde_json = { version = "1.0.114", features = ["raw_value", "unbounded_depth"]
 sha2 = { version = "0.10.8", features = ["oid"] }
 similar = { version = "2.4.0", features = ["inline", "unicode"] }
 slog = { version = "2.7.0", features = ["dynamic-keys", "max_level_trace", "release_max_level_debug", "release_max_level_trace"] }
+smallvec = { version = "1.13.1", default-features = false, features = ["const_new"] }
 spin = { version = "0.9.8" }
 string_cache = { version = "0.8.7" }
 subtle = { version = "2.5.0" }
@@ -227,6 +229,7 @@ zip = { version = "0.6.6", default-features = false, features = ["bzip2", "defla
 [target.x86_64-unknown-linux-gnu.dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
 dof = { version = "0.3.0", default-features = false, features = ["des"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }
@@ -234,30 +237,35 @@ rustix = { version = "0.38.31", features = ["fs", "termios"] }
 [target.x86_64-unknown-linux-gnu.build-dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
 dof = { version = "0.3.0", default-features = false, features = ["des"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }
 
 [target.x86_64-apple-darwin.dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }
 
 [target.x86_64-apple-darwin.build-dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }
 
 [target.aarch64-apple-darwin.dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }
 
 [target.aarch64-apple-darwin.build-dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }
@@ -265,6 +273,7 @@ rustix = { version = "0.38.31", features = ["fs", "termios"] }
 [target.x86_64-unknown-illumos.dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
 dof = { version = "0.3.0", default-features = false, features = ["des"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }
@@ -274,6 +283,7 @@ toml_edit-cdcf2f9584511fe6 = { package = "toml_edit", version = "0.19.15", featu
 [target.x86_64-unknown-illumos.build-dependencies]
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.4.2", default-features = false, features = ["std"] }
 dof = { version = "0.3.0", default-features = false, features = ["des"] }
+hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.28", features = ["full"] }
 mio = { version = "0.8.11", features = ["net", "os-ext"] }
 once_cell = { version = "1.19.0" }
 rustix = { version = "0.38.31", features = ["fs", "termios"] }