diff --git a/Cargo.lock b/Cargo.lock
index d860466..a533fdf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -121,7 +121,7 @@ dependencies = [
  "aoflagger_sys",
  "approx",
  "assert_cli",
- "built",
+ "built 0.5.2",
  "byteorder",
  "cfg-if",
  "clap",
@@ -168,6 +168,12 @@ dependencies = [
  "git2",
 ]
 
+[[package]]
+name = "built"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41bfbdb21256b87a8b5e80fab81a8eed158178e812fd7ba451907518b2742f16"
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
@@ -200,9 +206,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cbindgen"
-version = "0.24.5"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b922faaf31122819ec80c4047cc684c6979a087366c069611e33649bf98e18d"
+checksum = "da6bc11b07529f16944307272d5bd9b22530bc7d05751717c9d416586cedab49"
 dependencies = [
  "heck",
  "indexmap",
@@ -234,17 +240,16 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.26"
+version = "0.4.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec837a71355b28f6556dbd569b37b3f363091c0bd4b2e735674521b4c5fd9bc5"
+checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
  "js-sys",
  "num-traits",
- "time",
  "wasm-bindgen",
- "winapi",
+ "windows-targets 0.52.5",
 ]
 
 [[package]]
@@ -384,16 +389,6 @@ dependencies = [
  "itertools",
 ]
 
-[[package]]
-name = "crossbeam-channel"
-version = "0.5.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a33c2bf77f2df06183c3aa30d1e96c0695a313d4f9c453cc3762a6db39f99200"
-dependencies = [
- "cfg-if",
- "crossbeam-utils",
-]
-
 [[package]]
 name = "crossbeam-deque"
 version = "0.8.3"
@@ -754,7 +749,7 @@ checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -1078,11 +1073,10 @@ checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
 [[package]]
 name = "marlu"
 version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33477b1391477af72a79bf06ed326f7625c21d9e4cd49ddc99d5d8c0d6ba3186"
+source = "git+https://github.com/MWATelescope/Marlu?branch=macos-arm64#b19bcd079b6dfc96b23f071c60717a2f4eaf6ae4"
 dependencies = [
  "approx",
- "built",
+ "built 0.5.2",
  "cfg-if",
  "erfa",
  "fitsio",
@@ -1138,11 +1132,11 @@ dependencies = [
 
 [[package]]
 name = "mwalib"
-version = "0.16.4"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecf3566aa2b527748b332dc2f9f28ec83f6390eb9200d5be02a1fa02113697c3"
+checksum = "ee3257db63fa05a54e3a9b3a47328b4e72072e8d1d39f080c113f68a298c6501"
 dependencies = [
- "built",
+ "built 0.7.2",
  "cbindgen",
  "chrono",
  "fitsio",
@@ -1183,13 +1177,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.3.3"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
+checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1212,16 +1206,6 @@ dependencies = [
  "libm",
 ]
 
-[[package]]
-name = "num_cpus"
-version = "1.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
-dependencies = [
- "hermit-abi 0.3.2",
- "libc",
-]
-
 [[package]]
 name = "number_prefix"
 version = "0.4.0"
@@ -1350,9 +1334,9 @@ checksum = "60a357793950651c4ed0f3f52338f53b2f809f32d83a07f72909fa13e4c6c1e3"
 
 [[package]]
 name = "rayon"
-version = "1.7.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
+checksum = "b418a60154510ca1a002a752ca9714984e21e4241e804d32555251faf8b78ffa"
 dependencies = [
  "either",
  "rayon-core",
@@ -1360,14 +1344,12 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.11.0"
+version = "1.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
+checksum = "1465873a3dfdaa8ae7cb14b4383657caab0b3e8a0aa9ae8e04b044854c8dfce2"
 dependencies = [
- "crossbeam-channel",
  "crossbeam-deque",
  "crossbeam-utils",
- "num_cpus",
 ]
 
 [[package]]
@@ -1676,17 +1658,6 @@ dependencies = [
  "syn 2.0.28",
 ]
 
-[[package]]
-name = "time"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
-]
-
 [[package]]
 name = "tinytemplate"
 version = "1.2.1"
@@ -1781,12 +1752,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -1945,6 +1910,22 @@ dependencies = [
  "windows_x86_64_msvc 0.48.0",
 ]
 
+[[package]]
+name = "windows-targets"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f0713a46559409d202e70e28227288446bf7841d3211583a4b53e3f6d96e7eb"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.5",
+ "windows_aarch64_msvc 0.52.5",
+ "windows_i686_gnu 0.52.5",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc 0.52.5",
+ "windows_x86_64_gnu 0.52.5",
+ "windows_x86_64_gnullvm 0.52.5",
+ "windows_x86_64_msvc 0.52.5",
+]
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.42.2"
@@ -1957,6 +1938,12 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7088eed71e8b8dda258ecc8bac5fb1153c5cffaf2578fc8ff5d61e23578d3263"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.42.2"
@@ -1969,6 +1956,12 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9985fd1504e250c615ca5f281c3f7a6da76213ebd5ccc9561496568a2752afb6"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.42.2"
@@ -1981,6 +1974,18 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88ba073cf16d5372720ec942a8ccbf61626074c6d4dd2e745299726ce8b89670"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87f4261229030a858f36b459e748ae97545d6f1ec60e5e0d6a3d32e0dc232ee9"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.42.2"
@@ -1993,6 +1998,12 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db3c2bf3d13d5b658be73463284eaf12830ac9a26a90c717b7f771dfe97487bf"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.42.2"
@@ -2005,6 +2016,12 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e4246f76bdeff09eb48875a0fd3e2af6aada79d409d33011886d3e1581517d9"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.42.2"
@@ -2017,6 +2034,12 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "852298e482cd67c356ddd9570386e2862b5673c85bd5f88df9ab6802b334c596"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.2"
@@ -2029,6 +2052,12 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
+
 [[package]]
 name = "xattr"
 version = "1.0.1"
diff --git a/Cargo.toml b/Cargo.toml
index 2f2bf1f..5c33ef5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -88,6 +88,6 @@ opt-level = 3
 
 [patch.crates-io]
 # marlu = { path = "../Marlu" }
-# marlu = { git = "https://github.com/MWATelescope/Marlu", branch = "DUT1" }
+marlu = { git = "https://github.com/MWATelescope/Marlu", branch = "macos-arm64" }
 # mwalib = { path = "../mwalib" }
 # mwalib = { git = "https://github.com/MWATelescope/mwalib", branch = "digital_gains_plus" }