diff --git a/Cargo.lock b/Cargo.lock
index b26c363..f07cf5a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1018,9 +1018,9 @@ dependencies = [
 
 [[package]]
 name = "serialport"
-version = "4.2.1"
+version = "4.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "353dc2cbfc67c9a14a89a1292a9d8e819bd51066b083e08c1974ba08e3f48c62"
+checksum = "c32634e2bd4311420caa504404a55fad2131292c485c97014cbed89a5899885f"
 dependencies = [
  "CoreFoundation-sys",
  "IOKit-sys",
diff --git a/Cargo.toml b/Cargo.toml
index b147a6c..dc3d78b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ log = "0.4.19"
 simplelog = "0.12.1"
 
 [dependencies.serialport]
-version = "4.2.1"
+version = "4.2.2"
 default-features = false
 
 [dependencies.reqwest]