diff --git a/src/bare-metal/microcontrollers/examples/Cargo.lock b/src/bare-metal/microcontrollers/examples/Cargo.lock
index 6f31aa0c..a8dd4bd6 100644
--- a/src/bare-metal/microcontrollers/examples/Cargo.lock
+++ b/src/bare-metal/microcontrollers/examples/Cargo.lock
@@ -61,9 +61,9 @@ dependencies = [
 
 [[package]]
 name = "cortex-m-rt"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6d3328b8b5534f0c90acd66b68950f2763b37e0173cac4d8b4937c4a80761f9"
+checksum = "ee84e813d593101b1723e13ec38b6ab6abbdbaaa4546553f5395ed274079ddb1"
 dependencies = [
  "cortex-m-rt-macros",
 ]
diff --git a/src/bare-metal/microcontrollers/examples/Cargo.toml b/src/bare-metal/microcontrollers/examples/Cargo.toml
index 3d69d9db..1a612d0c 100644
--- a/src/bare-metal/microcontrollers/examples/Cargo.toml
+++ b/src/bare-metal/microcontrollers/examples/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-cortex-m-rt = "0.7.0"
+cortex-m-rt = "0.7.3"
 embedded-hal = "0.2.6"
 microbit-v2 = "0.13.0"
 nrf52833-hal = "0.14.1"