diff --git a/Cargo.lock b/Cargo.lock
index db8eb79..ea10540 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -68,16 +68,16 @@ dependencies = [
 
 [[package]]
 name = "cortex-m-rt"
-version = "0.6.11"
+version = "0.6.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cortex-m-rt-macros 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt-macros 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "r0 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cortex-m-rt-macros"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -91,7 +91,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rtfm-macros 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapless 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rtfm-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -285,7 +285,7 @@ version = "0.3.0"
 dependencies = [
  "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-log 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rtfm 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapless 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -309,7 +309,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -356,8 +356,8 @@ dependencies = [
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 "checksum cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2954942fbbdd49996704e6f048ce57567c3e1a4e2dc59b41ae9fde06a01fc763"
 "checksum cortex-m-log 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "978caafe65d1023d38b00c76b83564788fc351d954a5005fb72cf992c0d61458"
-"checksum cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "33a716cd7d8627fae3892c2eede9249e50d2d79aedfb43ca28dad9a2b23876d9"
-"checksum cortex-m-rt-macros 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "72b1073338d1e691b3b7aaf6bd61993e589ececce9242a02dfa5453e1b98918d"
+"checksum cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "00d518da72bba39496024b62607c1d8e37bcece44b2536664f1132a73a499a28"
+"checksum cortex-m-rt-macros 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "4717562afbba06e760d34451919f5c3bf3ac15c7bb897e8b04862a7428378647"
 "checksum cortex-m-rtfm 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eaf0b9fd3f042cb3793d15daf3cea201b2f25c99b0b5b936a551bb6909c3ae5b"
 "checksum cortex-m-rtfm-macros 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c62092f6ff344e9b0adb748f0302ed69889ba2fae1fce446e3788d4726ea73bb"
 "checksum cortex-m-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "113ef0ecffee2b62b58f9380f4469099b30e9f9cbee2804771b4203ba1762cfa"