diff --git a/Cargo.lock b/Cargo.lock
index 4c3ff42..5d65d95 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -170,22 +170,22 @@ dependencies = [
 
 [[package]]
 name = "cortex-m-rt"
-version = "0.7.6"
+version = "0.7.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c439b23bf18154d8a634543caf1ee73cceb723f2902f7ea243634159a00fd47"
+checksum = "f1f0f27b7ecbb9fad6702c8764d11d0b7245437de1575e34e39b2af95382f096"
 dependencies = [
  "cortex-m-rt-macros",
 ]
 
 [[package]]
 name = "cortex-m-rt-macros"
-version = "0.7.6"
+version = "0.7.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "061a75f3e7f3f01d649668d68e02d0ef92c7041a9c97b8fe6bc354ddbf40822d"
+checksum = "05cf9e0f899304705b85fda7b178fc383f2529ec2479693248b600e530d2327a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.111",
+ "syn 3.0.0",
 ]
 
 [[package]]