diff --git a/examples/stm32f4-single-motor-example/Cargo.lock b/examples/stm32f4-single-motor-example/Cargo.lock
index 8233719..c87d962 100644
--- a/examples/stm32f4-single-motor-example/Cargo.lock
+++ b/examples/stm32f4-single-motor-example/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "atomic-polyfill"
@@ -113,9 +113,9 @@ dependencies = [
 
 [[package]]
 name = "critical-section"
-version = "1.1.3"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f64009896348fc5af4222e9cf7d7d82a95a256c634ebcf61c53e4ea461422242"
+checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
 
 [[package]]
 name = "defmt"
@@ -151,9 +151,9 @@ dependencies = [
 
 [[package]]
 name = "defmt-rtt"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab697b3dbbc1750b7c8b821aa6f6e7f2480b47a99bc057a2ed7b170ebef0c51"
+checksum = "c6eca0aae8aa2cf8333200ecbd236274697bc0a394765c858b3d9372eb1abcfa"
 dependencies = [
  "critical-section",
  "defmt",