diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 789c9c9de..5fa8e60db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,7 +53,7 @@ jobs:
     strategy:
       matrix:
         # keep MSRV in sync in ci.yaml and Cargo.toml
-        toolchain: [stable, '1.66.1']
+        toolchain: [stable, '1.74.1']
         features: ['']
         continue-on-error: [false]
         include:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54adc74ca..b5909f1c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,16 +16,14 @@ Booster
 console.
 
 ### Changed
-* Broker is no longer configured at compile time, but is maintained in device memory
-* MSRV bumped to v1.66
-* The static IP of stabilizer can no longer be configured at compilation time, but now uses device
-memory storage instead. It is now configured via the USB port.
+* Broker and static IP/DHCP are no longer configured at compile time,
+  but is maintained in device flash and can be changed via the USB port.
+* MSRV bumped to v1.74.1
 * The IIR (biquad) filter used for PID action has changed its serialization format.
   See also the `iir_coefficients` Python CLI implementation.
-* Bumped MSRV 1.66.0 -> 1.66.1
 
 ### Fixed
-* Fixed an issue where the device would rarely not enumerate on Windows
+* Fixed an issue where the device would sometimes not enumerate on Windows
 
 ## [0.9.0](https://github.com/quartiq/stabilizer/compare/v0.8.1...v0.9.0)
 
@@ -38,10 +36,10 @@ memory storage instead. It is now configured via the USB port.
 * `idsp` crate update to 0.10: `lockin` now uses a double second order lowpass.
 * The `batch_size` field in the the UDP stream frame now contains the number of batches
   not the number of samples per batch. It has been renamed to `batches`.
- * All MQTT clients upgraded and APIs updated.
- * MQTT broker may now be specified via DNS hostnames
- * `hitl/streaming.py` no longer requires a prefix
- * Streaming now supports UDP multicast addresses
+* All MQTT clients upgraded and APIs updated.
+* MQTT broker may now be specified via DNS hostnames
+* `hitl/streaming.py` no longer requires a prefix
+* Streaming now supports UDP multicast addresses
 
 ## [v0.8.1](https://github.com/quartiq/stabilizer/compare/v0.8.0...v0.8.1) - 2022-11-14
 
diff --git a/Cargo.lock b/Cargo.lock
index 150837fef..95d629370 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -12,36 +12,6 @@ dependencies = [
  "embedded-hal 0.2.7",
 ]
 
-[[package]]
-name = "aligned"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a785a543aea40f5e4e2e93bb2655d31bc21bb391fff65697150973e383f16bb"
-dependencies = [
- "as-slice",
-]
-
-[[package]]
-name = "as-slice"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45403b49e3954a4b8428a0ac21a4b7afadccf92bfd96273f1a58cd4812496ae0"
-dependencies = [
- "generic-array 0.12.4",
- "generic-array 0.13.3",
- "generic-array 0.14.7",
- "stable_deref_trait",
-]
-
-[[package]]
-name = "atomic-polyfill"
-version = "0.1.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3ff7eb3f316534d83a8a2c3d1674ace8a5a71198eba31e2e2b597833f699b28"
-dependencies = [
- "critical-section",
-]
-
 [[package]]
 name = "atomic-polyfill"
 version = "1.0.3"
@@ -53,9 +23,9 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+checksum = "f1fdabc7756949593fe60f30ec81974b613357de856987752631dea1e3394c80"
 
 [[package]]
 name = "bare-metal"
@@ -104,9 +74,9 @@ checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
 
 [[package]]
 name = "built"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38d17f4d6e4dc36d1a02fbedc2753a096848e7c1b0772f7654eab8e2c927dd53"
+checksum = "41bfbdb21256b87a8b5e80fab81a8eed158178e812fd7ba451907518b2742f16"
 dependencies = [
  "git2",
 ]
@@ -131,9 +101,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cc"
-version = "1.0.83"
+version = "1.0.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
+checksum = "2678b2e3449475e95b0aa6f9b506a28e61b3dc8996592b983695e8ebb58a8b41"
 dependencies = [
  "jobserver",
  "libc",
@@ -151,19 +121,6 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67ba02a97a2bd10f4b59b25c7973101c79642302776489e030cd13cdab09ed15"
 
-[[package]]
-name = "cortex-m"
-version = "0.6.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9075300b07c6a56263b9b582c214d0ff037b00d45ec9fde1cc711490c56f1bb9"
-dependencies = [
- "aligned",
- "bare-metal 0.2.5",
- "bitfield",
- "cortex-m 0.7.7",
- "volatile-register",
-]
-
 [[package]]
 name = "cortex-m"
 version = "0.7.7"
@@ -277,7 +234,7 @@ checksum = "03cdc46ec28bd728e67540c528013c6a10eb69a02eb31078a1bda695438cbfb8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.48",
+ "syn 2.0.58",
 ]
 
 [[package]]
@@ -334,39 +291,11 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d758ba1b47b00caf47f24925c0074ecb20d6dfcffe7f6d53395c0465674841a"
 
-[[package]]
-name = "generic-array"
-version = "0.12.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffdf9f34f1447443d37393cc6c2b8313aebddcd96906caf34e54c68d8e57d7bd"
-dependencies = [
- "typenum",
-]
-
-[[package]]
-name = "generic-array"
-version = "0.13.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f797e67af32588215eaaab8327027ee8e71b9dd0b2b26996aedf20c030fce309"
-dependencies = [
- "typenum",
-]
-
-[[package]]
-name = "generic-array"
-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
-dependencies = [
- "typenum",
- "version_check",
-]
-
 [[package]]
 name = "git2"
-version = "0.18.1"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbf97ba92db08df386e10c8ede66a2a0369bd277090afd8710e19e38de9ec0cd"
+checksum = "232e6a7bfe35766bf715e55a88b39a700596c0ccfd88cd3680b4cdb40d66ef70"
 dependencies = [
  "bitflags 2.5.0",
  "libc",
@@ -405,7 +334,7 @@ version = "0.7.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdc6457c0eb62c71aac4bc17216026d8410337c4126773b9c5daba343f17964f"
 dependencies = [
- "atomic-polyfill 1.0.3",
+ "atomic-polyfill",
  "hash32 0.2.1",
  "rustc_version 0.4.0",
  "serde",
@@ -440,16 +369,16 @@ version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99b7ec7ce4a9fa0c4801301dc2dfc836bc98ea06e8e7f04372c86cfcd171a80e"
 dependencies = [
- "num-complex 0.4.4",
+ "num-complex 0.4.5",
  "num-traits",
  "serde",
 ]
 
 [[package]]
 name = "indexmap"
-version = "2.2.5"
+version = "2.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b0b929d511467233429c45a44ac1dcaa21ba0f5ba11e4879e6ed28ddb4f9df4"
+checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -457,24 +386,24 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.10"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
 [[package]]
 name = "jobserver"
-version = "0.1.27"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c37f63953c4c63420ed5fd3d6d398c719489b9f872b9fa683262f8edd363c7d"
+checksum = "ab46a6e9526ddef3ae7f787c06f0f2600639ba80ea3eade3d8e670a2230f51d6"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.152"
+version = "0.2.153"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13e3bf6590cbc649f4d1a3eefc9d5d6eb746f5200ffb04e5e142700b8faa56e7"
+checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
 
 [[package]]
 name = "libgit2-sys"
@@ -496,9 +425,9 @@ checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
 
 [[package]]
 name = "libz-sys"
-version = "1.1.14"
+version = "1.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "295c17e837573c8c821dbaeb3cceb3d745ad082f7572191409e69cbc1b3fd050"
+checksum = "5e143b5e666b2695d28f6bca6497720813f699c9602dd7f5cac91008b8ada7f9"
 dependencies = [
  "cc",
  "libc",
@@ -557,27 +486,35 @@ source = "git+https://github.com/rust-embedded-community/menu?rev=7ba884993fea57
 [[package]]
 name = "miniconf"
 version = "0.9.0"
-source = "git+https://github.com/quartiq/miniconf#d6ef3973008ae818f21e1fbd2f8cd1c1d79dfe58"
+source = "git+https://github.com/quartiq/miniconf#af999890beddf1fc920ae6706a3861288000cab9"
 dependencies = [
- "embedded-io",
- "heapless 0.8.0",
  "itoa",
- "log",
  "miniconf_derive",
- "minimq",
  "serde",
  "serde-json-core",
- "smlang",
 ]
 
 [[package]]
 name = "miniconf_derive"
 version = "0.9.0"
-source = "git+https://github.com/quartiq/miniconf#d6ef3973008ae818f21e1fbd2f8cd1c1d79dfe58"
+source = "git+https://github.com/quartiq/miniconf#af999890beddf1fc920ae6706a3861288000cab9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.48",
+ "syn 2.0.58",
+]
+
+[[package]]
+name = "miniconf_mqtt"
+version = "0.9.0"
+source = "git+https://github.com/quartiq/miniconf#af999890beddf1fc920ae6706a3861288000cab9"
+dependencies = [
+ "embedded-io",
+ "heapless 0.8.0",
+ "log",
+ "miniconf",
+ "minimq",
+ "smlang",
 ]
 
 [[package]]
@@ -613,9 +550,9 @@ checksum = "b4bb1638d419e12f8b1c43d9e639abd0d1424285bdea2f76aa231e233c63cd3a"
 
 [[package]]
 name = "nanorand"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "729eb334247daa1803e0a094d0a5c55711b85571179f5ec6e53eccfdf7008958"
+checksum = "6a51313c5820b0b02bd422f4b44776fbf47961755c74ce64afc73bfad10226c3"
 
 [[package]]
 name = "nb"
@@ -662,9 +599,9 @@ dependencies = [
 
 [[package]]
 name = "num-complex"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ba157ca0885411de85d6ca030ba7e2a83a28636056c7c699b07c8b6f7383214"
+checksum = "23c6602fda94a57c990fe0df199a035d83576b496aa29f4e634a8ac6004e68a6"
 dependencies = [
  "num-traits",
  "serde",
@@ -672,19 +609,18 @@ dependencies = [
 
 [[package]]
 name = "num-integer"
-version = "0.1.45"
+version = "0.1.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
 dependencies = [
- "autocfg",
  "num-traits",
 ]
 
 [[package]]
 name = "num-iter"
-version = "0.1.43"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d03e6c028c5dc5cac6e2dec0efda81fc887605bb3d884578bb6d6bf7514e252"
+checksum = "d869c01cc0c455284163fd0092f1f93835385ccab5a98a0dcc497b2f8bf055a9"
 dependencies = [
  "autocfg",
  "num-integer",
@@ -749,7 +685,7 @@ checksum = "681030a937600a36906c185595136d26abfebb4aa9c65701cefcaf8578bb982b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.48",
+ "syn 2.0.58",
 ]
 
 [[package]]
@@ -758,7 +694,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32bb382689ecd2c4d2d4df9fd56700ba8d43b7b31cca11018cc0e6f8aef39fd5"
 dependencies = [
- "cortex-m 0.7.7",
+ "cortex-m",
 ]
 
 [[package]]
@@ -775,9 +711,9 @@ checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.13"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
+checksum = "bda66fc9667c18cb2758a2ac84d1167245054bcf85d5d1aaa6923f45801bdd02"
 
 [[package]]
 name = "pin-utils"
@@ -787,9 +723,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.28"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69d3587f8a9e599cc7ec2c00e331f71c4e69a5f9a4b8a6efd5b07466b9736f9a"
+checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
 [[package]]
 name = "portable-atomic"
@@ -834,9 +770,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.76"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95fc56cda0b5c3325f5fbbd7ff9fda9e02bb00bb3dac51252d2f1bfa1cb8cc8c"
+checksum = "e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e"
 dependencies = [
  "unicode-ident",
 ]
@@ -871,9 +807,9 @@ version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c443db16326376bdd64377da268f6616d5f804aba8ce799bac7d1f7f244e9d51"
 dependencies = [
- "atomic-polyfill 1.0.3",
+ "atomic-polyfill",
  "bare-metal 1.0.0",
- "cortex-m 0.7.7",
+ "cortex-m",
  "critical-section",
  "rtic-core",
  "rtic-macros",
@@ -904,7 +840,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.48",
+ "syn 2.0.58",
 ]
 
 [[package]]
@@ -919,9 +855,9 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "058c2397dbd5bb4c5650a0e368c3920953e458805ff5097a0511b8147b3619d7"
 dependencies = [
- "atomic-polyfill 1.0.3",
+ "atomic-polyfill",
  "cfg-if",
- "cortex-m 0.7.7",
+ "cortex-m",
  "embedded-hal 1.0.0",
  "fugit",
  "rtic-time",
@@ -954,7 +890,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "065d6058bb1204f51a562a67209e1817cf714759d5cf845aa45c75fa7b0b9d9b"
 dependencies = [
- "cortex-m 0.7.7",
+ "cortex-m",
  "ufmt-write",
 ]
 
@@ -973,14 +909,14 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
 dependencies = [
- "semver 1.0.21",
+ "semver 1.0.22",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.16"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
+checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
 
 [[package]]
 name = "scopeguard"
@@ -999,9 +935,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.21"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b97ed7a9823b74f99c7742f5336af7be5ecd3eeafcb1507d1fa93347b1d589b0"
+checksum = "92d43fe69e652f3df9bdc2b85b2854a0825b86e4fb76bc44d945137d053639ca"
 
 [[package]]
 name = "semver-parser"
@@ -1011,9 +947,9 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "sequential-storage"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8310c2ffc46948ef95f0848385c53fbfeed16ea98d82fb11cce51d4e11acc003"
+checksum = "cc9294c2c7c725835fa69d5a144a29078159360bdc53593e5e977abf8d200f46"
 dependencies = [
  "embedded-storage",
 ]
@@ -1046,7 +982,7 @@ checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.48",
+ "syn 2.0.58",
 ]
 
 [[package]]
@@ -1060,26 +996,14 @@ dependencies = [
  "yafnv",
 ]
 
-[[package]]
-name = "shared-bus"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05f8438a40b91c8b9531c664e9680c55b92bd78cd6809a8b45b4512b1e5765f2"
-dependencies = [
- "atomic-polyfill 0.1.11",
- "cortex-m 0.6.7",
- "embedded-hal 0.2.7",
- "nb 0.1.3",
-]
-
 [[package]]
 name = "shared-bus"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6b8d3f0e34309c22ca4a9a27d24fa493e31573485f3493802b75b9d706756a6"
 dependencies = [
- "atomic-polyfill 1.0.3",
- "cortex-m 0.7.7",
+ "atomic-polyfill",
+ "cortex-m",
  "embedded-hal 0.2.7",
  "nb 1.1.0",
 ]
@@ -1106,28 +1030,27 @@ dependencies = [
 
 [[package]]
 name = "smoltcp"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d2e3a36ac8fea7b94e666dfa3871063d6e0a5c9d5d4fec9a1a6b7b6760f0229"
+checksum = "5a1a996951e50b5971a2c8c0fa05a381480d70a933064245c4a223ddc87ccc97"
 dependencies = [
  "bitflags 1.3.2",
  "byteorder",
  "cfg-if",
- "heapless 0.7.17",
+ "heapless 0.8.0",
  "managed",
 ]
 
 [[package]]
 name = "smoltcp-nal"
 version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6dd2ed2f8e7643a170506863ed0f52ad1dc5762abdcff27de825dde14fc8025f"
+source = "git+https://github.com/quartiq/smoltcp-nal.git?branch=main#3e3373ef65f28a5f28c48c42bd8d4d370408e1f9"
 dependencies = [
  "embedded-nal",
  "embedded-time",
  "heapless 0.7.17",
  "nanorand",
- "shared-bus 0.2.5",
+ "shared-bus",
  "smoltcp",
 ]
 
@@ -1148,7 +1071,7 @@ dependencies = [
  "bbqueue",
  "bit_field",
  "built",
- "cortex-m 0.7.7",
+ "cortex-m",
  "cortex-m-rt",
  "embedded-hal 0.2.7",
  "embedded-io",
@@ -1161,6 +1084,7 @@ dependencies = [
  "log",
  "mcp230xx",
  "miniconf",
+ "miniconf_mqtt",
  "minimq",
  "mono-clock",
  "mutex-trait",
@@ -1178,7 +1102,7 @@ dependencies = [
  "serde",
  "serde-json-core",
  "serial-settings",
- "shared-bus 0.3.1",
+ "shared-bus",
  "smoltcp-nal",
  "spin",
  "stm32h7xx-hal",
@@ -1201,19 +1125,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "362f288cd8341e9209587b889c385f323e82fc237b60c272868965bb879bb9b1"
 dependencies = [
  "bare-metal 1.0.0",
- "cortex-m 0.7.7",
+ "cortex-m",
  "cortex-m-rt",
  "vcell",
 ]
 
 [[package]]
 name = "stm32h7xx-hal"
-version = "0.15.1"
-source = "git+https://github.com/stm32-rs/stm32h7xx-hal.git?branch=master#03b8dcf0fd5dcce324e557830838eff729cfeecb"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3bd869329be25440b24e2b3583a1c016151b4a54bc36d96d82af7fcd9d010b98"
 dependencies = [
  "bare-metal 1.0.0",
  "cast",
- "cortex-m 0.7.7",
+ "cortex-m",
  "embedded-dma",
  "embedded-hal 0.2.7",
  "embedded-storage",
@@ -1239,9 +1164,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.48"
+version = "2.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f"
+checksum = "44cfb93f38070beee36b3fef7d4f5a16f27751d94b187b666a5cc5e9b0d30687"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1254,7 +1179,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e948d523b316939545d8b21a48c27aef150ce25321b9f95ff7978647a806a6fe"
 dependencies = [
- "cortex-m 0.7.7",
+ "cortex-m",
  "embedded-hal 0.2.7",
  "usb-device",
  "vcell",
@@ -1266,7 +1191,7 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67fb822d5c615a0ae3a4795ee5b1d06381c7faf488d861c0a4fa8e6a88d5ff84"
 dependencies = [
- "cortex-m 0.7.7",
+ "cortex-m",
  "fugit",
  "rtic-monotonic",
 ]
@@ -1297,12 +1222,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
-[[package]]
-name = "typenum"
-version = "1.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
-
 [[package]]
 name = "ufmt-write"
 version = "0.1.0"
@@ -1311,9 +1230,9 @@ checksum = "e87a2ed6b42ec5e28cc3b94c09982969e9227600b2e3dcbc1db927a84c06bd69"
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f2528f27a9eb2b21e69c95319b30bd0efd85d09c379741b0f78ea1d86be2416"
+checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75"
 
 [[package]]
 name = "unicode-ident"
@@ -1323,9 +1242,9 @@ checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.22"
+version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
+checksum = "a56d1686db2308d901306f92a263857ef59ea39678a5458e7cb17f01415101f5"
 dependencies = [
  "tinyvec",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 14c251c38..7d2482c75 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,8 +16,7 @@ readme = "README.md"
 documentation = "https://docs.rs/stabilizer/"
 edition = "2021"
 # keep MSRV in sync in ci.yaml and Cargo.toml
-rust-version = "1.66.1"
-build = "build.rs"
+rust-version = "1.74.1"
 exclude = [
 	".gitignore",
 	"doc/",
@@ -71,8 +70,9 @@ usb-device = "0.3.2"
 usbd-serial = "0.2"
 # Keep this synced with the miniconf version in py/setup.py
 miniconf = "0.9"
+miniconf_mqtt = "0.9"
 tca9539 = "0.2"
-smoltcp-nal = { version = "0.4.1", features = ["shared-stack"]}
+smoltcp-nal = { version = "0.4", features = ["shared-stack"], git = "https://github.com/quartiq/smoltcp-nal.git", branch = "main" }
 bbqueue = "0.5"
 postcard = "1"
 bit_field = "0.10.2"
@@ -81,9 +81,9 @@ bit_field = "0.10.2"
 built = { version = "0.7", features = ["git2"], default-features = false }
 
 [dependencies.stm32h7xx-hal]
-version = "0.15.1"
-git = "https://github.com/stm32-rs/stm32h7xx-hal.git"
-branch = "master"
+version = "0.16.0"
+#git = "https://github.com/stm32-rs/stm32h7xx-hal.git"
+#branch = "master"
 features = ["stm32h743v", "rt", "ethernet", "xspi", "usb_hs"]
 
 [patch.crates-io.usbd-serial]
@@ -93,6 +93,9 @@ rev = "ccff77578925942e40e0a2c7b6d397ad164fdedb"
 [patch.crates-io.miniconf]
 git = "https://github.com/quartiq/miniconf"
 
+[patch.crates-io.miniconf_mqtt]
+git = "https://github.com/quartiq/miniconf"
+
 [features]
 nightly = []
 pounder_v1_0 = []
diff --git a/src/net/mod.rs b/src/net/mod.rs
index 76d51463b..18d551255 100644
--- a/src/net/mod.rs
+++ b/src/net/mod.rs
@@ -25,6 +25,7 @@ use telemetry::TelemetryClient;
 use core::fmt::Write;
 use heapless::String;
 use miniconf::JsonCoreSlash;
+use miniconf_mqtt::minimq;
 use serde::Serialize;
 use smoltcp_nal::embedded_nal::SocketAddr;
 
@@ -62,12 +63,12 @@ where
     for<'de> S: Default + JsonCoreSlash<'de, Y> + Clone,
     T: Serialize,
 {
-    pub miniconf: miniconf::MqttClient<
+    pub miniconf: miniconf_mqtt::MqttClient<
         'static,
         S,
         NetworkReference,
         SystemTimer,
-        miniconf::minimq::broker::NamedBroker<NetworkReference>,
+        minimq::broker::NamedBroker<NetworkReference>,
         Y,
     >,
     pub processor: NetworkProcessor,
@@ -114,21 +115,18 @@ where
             cortex_m::singleton!(: MqttStorage = MqttStorage::default())
                 .unwrap();
 
-        let named_broker = miniconf::minimq::broker::NamedBroker::new(
+        let named_broker = minimq::broker::NamedBroker::new(
             &net_settings.broker,
             stack_manager.acquire_stack(),
         )
         .unwrap();
-        let settings = miniconf::MqttClient::new(
+        let settings = miniconf_mqtt::MqttClient::new(
             stack_manager.acquire_stack(),
             &prefix,
             clock,
-            miniconf::minimq::ConfigBuilder::new(
-                named_broker,
-                &mut store.settings,
-            )
-            .client_id(&get_client_id(&net_settings.id, "settings"))
-            .unwrap(),
+            minimq::ConfigBuilder::new(named_broker, &mut store.settings)
+                .client_id(&get_client_id(&net_settings.id, "settings"))
+                .unwrap(),
         )
         .unwrap();