diff --git a/Cargo.lock b/Cargo.lock
index 8df12b4..624e7fd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -185,9 +185,9 @@ dependencies = [
 
 [[package]]
 name = "cortex-m-rt"
-version = "0.7.1"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c433da385b720d5bb9f52362fa2782420798e68d40d67bfe4b0d992aba5dfe7"
+checksum = "ee84e813d593101b1723e13ec38b6ab6abbdbaaa4546553f5395ed274079ddb1"
 dependencies = [
  "cortex-m-rt-macros",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index f539b43..e210607 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ asm-delay = "0.9.0"
 # mpu9250 = {path = "../mpu9250"}
 libm = "0.2.2"
 dcmimu = "0.2.2"
-cortex-m-rt = "0.7.1"
+cortex-m-rt = "0.7.3"
 lsm303c = "0.2.0"
 bmp280 = { version = "0.0.5", package = "bmp280-ehal" }
 shared-bus = { version = "0.2.3", features = ["cortex-m"] }