diff --git a/Cargo.lock b/Cargo.lock
index bf5d442..3f12c19 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -90,6 +90,15 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "atomic-polyfill"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a93ba5d6053837dbb76fd0ae26fd4f0c1859a008a783b0ce072b797c07f0f27"
+dependencies = [
+ "cortex-m",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -107,12 +116,27 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
+[[package]]
+name = "bare-metal"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
+dependencies = [
+ "rustc_version",
+]
+
 [[package]]
 name = "base64"
 version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
+[[package]]
+name = "bitfield"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -183,6 +207,18 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "cortex-m"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ac919ef424449ec8c08d515590ce15d9262c0ca5f0da5b0c901e971a3b783b3"
+dependencies = [
+ "bare-metal",
+ "bitfield",
+ "embedded-hal",
+ "volatile-register",
+]
+
 [[package]]
 name = "crypto-mac"
 version = "0.10.1"
@@ -214,6 +250,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "embedded-hal"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e36cfb62ff156596c892272f3015ef952fe1525e85261fa3a7f327bd6b384ab9"
+dependencies = [
+ "nb 0.1.3",
+ "void",
+]
+
 [[package]]
 name = "env_logger"
 version = "0.9.0"
@@ -340,6 +386,15 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0c35f58762feb77d74ebe43bdbc3210f09be9fe6742234d573bacc26ed92b67"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.11.2"
@@ -354,7 +409,18 @@ checksum = "634bd4d29cbf24424d0a4bfcbf80c6960129dc24424752a7d1d1390607023422"
 dependencies = [
  "as-slice 0.1.5",
  "generic-array 0.14.4",
- "hash32",
+ "hash32 0.1.1",
+ "stable_deref_trait",
+]
+
+[[package]]
+name = "heapless"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50530280e9a947b192e3a30a9d7bcead527b22da30ff7cbd334233d820aaf82a"
+dependencies = [
+ "atomic-polyfill",
+ "hash32 0.2.1",
  "stable_deref_trait",
 ]
 
@@ -521,7 +587,7 @@ source = "git+https://github.com/ivajloip/rust-lorawan.git#674eca001185caaa8eb9d
 dependencies = [
  "as-slice 0.2.1",
  "generic-array 0.14.4",
- "heapless",
+ "heapless 0.6.1",
  "lorawan-encoding",
 ]
 
@@ -563,6 +629,21 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "nb"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "801d31da0513b6ec5214e9bf433a77966320625a37860f910be265be6e18d06f"
+dependencies = [
+ "nb 1.0.0",
+]
+
+[[package]]
+name = "nb"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "546c37ac5d9e56f55e73b677106873d9d9f5190605e41a856503623648488cae"
+
 [[package]]
 name = "nom"
 version = "5.1.2"
@@ -809,6 +890,15 @@ version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -823,9 +913,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "semtech-udp"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e93af7bf7fd974d12d383a84a722f89cf07bcb85ac5f87b88ee2e6d1be34b8c1"
+checksum = "6c61a2d19db208bbb63a83f1b8f9af8d7677832b86fd746206d11f15bf1a42a5"
 dependencies = [
  "arrayref",
  "base64",
@@ -839,6 +929,21 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
 version = "1.0.130"
@@ -1011,9 +1116,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.10.1"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92036be488bb6594459f2e03b60e42df6f937fe6ca5c5ffdcb539c6b84dc40f5"
+checksum = "b4efe6fc2395938c8155973d7be49fe8d03a843726e285e100a8a383cc0154ce"
 dependencies = [
  "autocfg",
  "bytes",
@@ -1118,6 +1223,12 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
+[[package]]
+name = "vcell"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002"
+
 [[package]]
 name = "vec_map"
 version = "0.8.2"
@@ -1132,12 +1243,12 @@ checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[package]]
 name = "virtual-lorawan-device"
-version = "0.2.7-alpha.0"
+version = "0.2.7"
 dependencies = [
  "anyhow",
  "config",
  "env_logger",
- "heapless",
+ "heapless 0.7.5",
  "hex",
  "hyper",
  "log",
@@ -1152,6 +1263,21 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+
+[[package]]
+name = "volatile-register"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ee8f19f9d74293faf70901bc20ad067dc1ad390d2cbf1e3f75f721ffee908b6"
+dependencies = [
+ "vcell",
+]
+
 [[package]]
 name = "want"
 version = "0.3.0"