diff --git a/default.nix b/default.nix
index 2b8394a0..a9b7f19f 100644
--- a/default.nix
+++ b/default.nix
@@ -20,7 +20,7 @@ let
       name = "firmware";
 
       src = ./src;
-      cargoSha256 = "1rsg2cdkwjhjmdhr7ddwlpgw5rl2sq43h4y38p3dj6qr54bhxpck";
+      cargoSha256 = "0p9d2j7qp00wpxm48phl5rq26simzry6w0m673lyhrlbzqdz4frb";
 
       nativeBuildInputs = [
         pkgs.gnumake
diff --git a/src/Cargo.lock b/src/Cargo.lock
index f05fa3b1..f667c681 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -37,9 +37,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "cc"
-version = "1.0.68"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787"
+checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
 
 [[package]]
 name = "cfg-if"
@@ -94,9 +94,9 @@ dependencies = [
 
 [[package]]
 name = "embedded-hal"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db184d3fa27bc7a2344250394c0264144dfe0bc81a4401801dcb964b8dd172ad"
+checksum = "e36cfb62ff156596c892272f3015ef952fe1525e85261fa3a7f327bd6b384ab9"
 dependencies = [
  "nb 0.1.3",
  "void",
@@ -116,9 +116,9 @@ dependencies = [
 
 [[package]]
 name = "futures"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7e43a803dae2fa37c1f6a8fe121e1f7bf9548b4dfc0522a42f34145dadfc27"
+checksum = "1adc00f486adfc9ce99f77d717836f0c5aa84965eb0b4f051f4e83f7cab53f8b"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -130,9 +130,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e682a68b29a882df0545c143dc3646daefe80ba479bcdede94d5a703de2871e2"
+checksum = "74ed2411805f6e4e3d9bc904c95d5d423b89b3b25dc0250aa74729de20629ff9"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -140,21 +140,21 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0402f765d8a89a26043b889b26ce3c4679d268fa6bb22cd7c6aad98340e179d1"
+checksum = "af51b1b4a7fdff033703db39de8802c673eb91855f2e0d47dcf3bf2c0ef01f99"
 
 [[package]]
 name = "futures-io"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acc499defb3b348f8d8f3f66415835a9131856ff7714bf10dadfc4ec4bdb29a1"
+checksum = "0b0e06c393068f3a6ef246c75cdca793d6a46347e75286933e5e75fd2fd11582"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4c40298486cdf52cc00cd6d6987892ba502c7656a16a4192a9992b1ccedd121"
+checksum = "c54913bae956fb8df7f4dc6fc90362aa72e69148e3f39041fbe8742d21e0ac57"
 dependencies = [
  "autocfg",
  "proc-macro-hack",
@@ -165,21 +165,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a57bead0ceff0d6dde8f465ecd96c9338121bb7717d3e7b108059531870c4282"
+checksum = "c0f30aaa67363d119812743aa5f33c201a7a66329f97d1a887022971feea4b53"
 
 [[package]]
 name = "futures-task"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a16bef9fc1a4dddb5bee51c989e3fbba26569cbb0e31f5b303c184e3dd33dae"
+checksum = "bbe54a98670017f3be909561f6ad13e810d9a51f3f061b902062ca3da80799f2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feb5c238d27e2bf94ffdfd27b2c29e3df4a68c4193bb6427384259e2bf191967"
+checksum = "67eb846bfd58e44a8481a00049e82c43e0ccb5d61f8dc071057cb19249dd4d78"
 dependencies = [
  "autocfg",
  "futures-core",
@@ -195,7 +195,7 @@ dependencies = [
 [[package]]
 name = "libasync"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#2c161720fa12f8b7abecaf60f77b062b08ac9bc1"
+source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#57d8d8fbc7087863305721bcb8fdbdd13d65bd65"
 dependencies = [
  "embedded-hal",
  "libcortex_a9",
@@ -207,7 +207,7 @@ dependencies = [
 [[package]]
 name = "libboard_zynq"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#2c161720fa12f8b7abecaf60f77b062b08ac9bc1"
+source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#57d8d8fbc7087863305721bcb8fdbdd13d65bd65"
 dependencies = [
  "bit_field",
  "embedded-hal",
@@ -232,7 +232,7 @@ dependencies = [
 [[package]]
 name = "libconfig"
 version = "0.1.0"
-source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#2c161720fa12f8b7abecaf60f77b062b08ac9bc1"
+source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#57d8d8fbc7087863305721bcb8fdbdd13d65bd65"
 dependencies = [
  "core_io",
  "fatfs",
@@ -243,7 +243,7 @@ dependencies = [
 [[package]]
 name = "libcortex_a9"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#2c161720fa12f8b7abecaf60f77b062b08ac9bc1"
+source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#57d8d8fbc7087863305721bcb8fdbdd13d65bd65"
 dependencies = [
  "bit_field",
  "libregister",
@@ -259,7 +259,7 @@ checksum = "c7d73b3f436185384286bd8098d17ec07c9a7d2388a6599f824d8502b529702a"
 [[package]]
 name = "libregister"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#2c161720fa12f8b7abecaf60f77b062b08ac9bc1"
+source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#57d8d8fbc7087863305721bcb8fdbdd13d65bd65"
 dependencies = [
  "bit_field",
  "vcell",
@@ -269,7 +269,7 @@ dependencies = [
 [[package]]
 name = "libsupport_zynq"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#2c161720fa12f8b7abecaf60f77b062b08ac9bc1"
+source = "git+https://git.m-labs.hk/M-Labs/zynq-rs.git#57d8d8fbc7087863305721bcb8fdbdd13d65bd65"
 dependencies = [
  "cc",
  "compiler_builtins",
@@ -368,9 +368,9 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+checksum = "5c7ed8b8c7b886ea3ed7dde405212185f423ab44682667c8c6dd14aa1d9f6612"
 dependencies = [
  "unicode-xid",
 ]
@@ -448,9 +448,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.73"
+version = "1.0.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
+checksum = "1873d832550d4588c3dbc20f01361ab00bfe741048f71e3fecf145a7cc18b29c"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/zynq-rs.nix b/zynq-rs.nix
index b9954ce5..d62c6b04 100644
--- a/zynq-rs.nix
+++ b/zynq-rs.nix
@@ -3,6 +3,6 @@ let
 in
   pkgs.fetchgit {
     url = "https://git.m-labs.hk/M-Labs/zynq-rs.git";
-    rev = "2c161720fa12f8b7abecaf60f77b062b08ac9bc1";
-    sha256 = "0zpazkicqzps86r7lgqf09y9ary94mjvxw6gc41z9kjjyxar5fhr";
+    rev = "57d8d8fbc7087863305721bcb8fdbdd13d65bd65";
+    sha256 = "0gnbaxgingrxrxi2sjd592r1630ld4ckrz4r8ajx8zp7q3bb43jj";
   }