diff --git a/Cargo.lock b/Cargo.lock
index 0e5471d..07d15e9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -714,7 +714,7 @@ name = "radio-sx127x"
 version = "0.13.0"
 dependencies = [
  "bitflags",
- "cortex-m 0.6.7",
+ "cortex-m 0.7.3",
  "cortex-m-rt",
  "cortex-m-semihosting",
  "driver-cp2130",
diff --git a/Cargo.toml b/Cargo.toml
index 2d1ea9e..460bdd8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,7 +54,7 @@ old-e-h      = {version = "0.2.4", package = "embedded-hal" }
 
 
 [dev-dependencies]                     # for examples
-cortex-m = "0.6.7"
+cortex-m = "0.7.3"
 cortex-m-rt = "0.6.13"
 cortex-m-semihosting = "0.3.7"
 panic-halt = "0.2.0"