diff --git a/Cargo.lock b/Cargo.lock
index 90d425ecf..d9e189e6f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -206,7 +206,7 @@ dependencies = [
  "bare-metal 1.0.0",
  "cortex-m 0.7.7",
  "cortex-m-rtic-macros",
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "rtic-core",
  "rtic-monotonic",
  "version_check",
@@ -262,7 +262,7 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "447416d161ba378782c13e82b11b267d6d2104b4913679a7c5640e7e94f96ea7"
 dependencies = [
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "nb 1.1.0",
  "no-std-net",
 ]
@@ -284,18 +284,18 @@ dependencies = [
 
 [[package]]
 name = "enum-iterator"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7add3873b5dd076766ee79c8e406ad1a472c385476b9e38849f8eec24f1be689"
+checksum = "9fd242f399be1da0a5354aa462d57b4ab2b4ee0683cc552f7c007d2d12d36e94"
 dependencies = [
  "enum-iterator-derive",
 ]
 
 [[package]]
 name = "enum-iterator-derive"
-version = "1.2.1"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eecf8589574ce9b895052fa12d69af7a233f99e6107f5cb8dd1044f2a17bfdcb"
+checksum = "03cdc46ec28bd728e67540c528013c6a10eb69a02eb31078a1bda695438cbfb8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -393,11 +393,11 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "heapless"
-version = "0.7.16"
+version = "0.7.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
+checksum = "cdc6457c0eb62c71aac4bc17216026d8410337c4126773b9c5daba343f17964f"
 dependencies = [
- "atomic-polyfill 0.1.11",
+ "atomic-polyfill 1.0.3",
  "hash32 0.2.1",
  "rustc_version 0.4.0",
  "serde",
@@ -448,9 +448,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.9"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
+checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
 
 [[package]]
 name = "jobserver"
@@ -463,9 +463,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.150"
+version = "0.2.152"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
+checksum = "13e3bf6590cbc649f4d1a3eefc9d5d6eb746f5200ffb04e5e142700b8faa56e7"
 
 [[package]]
 name = "libgit2-sys"
@@ -487,9 +487,9 @@ checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
 
 [[package]]
 name = "libz-sys"
-version = "1.1.12"
+version = "1.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d97137b25e321a73eef1418d1d5d2eda4d77e12813f8e6dead84bc52c5870a7b"
+checksum = "295c17e837573c8c821dbaeb3cceb3d745ad082f7572191409e69cbc1b3fd050"
 dependencies = [
  "cc",
  "libc",
@@ -553,7 +553,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9df2d7bdba3acb28460c347b21e1e88d869f2716ebe060eb6a79f7b76b57de72"
 dependencies = [
  "embedded-io",
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "itoa",
  "log",
  "miniconf_derive",
@@ -583,7 +583,7 @@ dependencies = [
  "bit_field",
  "embedded-nal",
  "embedded-time",
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "num_enum 0.7.2",
  "serde",
  "smlang",
@@ -789,15 +789,15 @@ checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.27"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
+checksum = "69d3587f8a9e599cc7ec2c00e331f71c4e69a5f9a4b8a6efd5b07466b9736f9a"
 
 [[package]]
 name = "portable-atomic"
-version = "1.5.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bccab0e7fd7cc19f820a1c8c91720af652d0c88dc9664dd72aef2614f04af3b"
+checksum = "7170ef9988bc169ba16dd36a7fa041e5c4cbeb6a35b76d4c03daded371eae7c0"
 
 [[package]]
 name = "postcard"
@@ -806,7 +806,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a55c51ee6c0db07e68448e336cf8ea4131a620edefebf9893e759b2d793420f8"
 dependencies = [
  "cobs",
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "serde",
 ]
 
@@ -926,14 +926,14 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
 dependencies = [
- "semver 1.0.20",
+ "semver 1.0.21",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.15"
+version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
+checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
 
 [[package]]
 name = "scopeguard"
@@ -952,9 +952,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.20"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
+checksum = "b97ed7a9823b74f99c7742f5336af7be5ecd3eeafcb1507d1fa93347b1d589b0"
 
 [[package]]
 name = "semver-parser"
@@ -986,7 +986,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c9e1ab533c0bc414c34920ec7e5f097101d126ed5eac1a1aac711222e0bbb33"
 dependencies = [
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "ryu",
  "serde",
 ]
@@ -1065,7 +1065,7 @@ dependencies = [
  "bitflags 1.3.2",
  "byteorder",
  "cfg-if",
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "managed",
 ]
 
@@ -1077,7 +1077,7 @@ checksum = "6dd2ed2f8e7643a170506863ed0f52ad1dc5762abdcff27de825dde14fc8025f"
 dependencies = [
  "embedded-nal",
  "embedded-time",
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "nanorand",
  "shared-bus 0.2.5",
  "smoltcp",
@@ -1108,7 +1108,7 @@ dependencies = [
  "embedded-storage",
  "enum-iterator",
  "fugit",
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "idsp",
  "lm75",
  "log",
@@ -1224,9 +1224,9 @@ dependencies = [
 
 [[package]]
 name = "tca9539"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c1dbae158fb8077e98deb1825f191bea96ee54376428d74f4b05431e2503b76"
+checksum = "05458b00a3a73c5b64c0de8f2a5182f6d51eb1aeb54c638e585092d26fc9a971"
 dependencies = [
  "bit_field",
  "embedded-hal",
@@ -1262,9 +1262,9 @@ checksum = "e87a2ed6b42ec5e28cc3b94c09982969e9227600b2e3dcbc1db927a84c06bd69"
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460"
+checksum = "6f2528f27a9eb2b21e69c95319b30bd0efd85d09c379741b0f78ea1d86be2416"
 
 [[package]]
 name = "unicode-ident"
@@ -1298,7 +1298,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e73e438f527e567fb3982f2370967821fab4f5aea84c42e218a211dd2002b6a2"
 dependencies = [
- "heapless 0.7.16",
+ "heapless 0.7.17",
  "num_enum 0.6.1",
  "portable-atomic",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 6a8e750cc..9f2c935aa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,7 +70,7 @@ usb-device = "0.3.0"
 usbd-serial = "0.2"
 # Keep this synced with the miniconf version in py/setup.py
 miniconf = "0.9.0"
-tca9539 = "0.1"
+tca9539 = "0.2"
 smoltcp-nal = { version = "0.4.1", features = ["shared-stack"]}
 bbqueue = "0.5"
 postcard = "1"