diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba3d385e..639364f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,14 @@ project adheres to [Semantic Versioning](https://semver.org/).
 ### Removed
 
 
+## [4.6.1] - 2024-12-01
+
+### Fixed
+
+* Pin subdependeny `libc` to maintain compatibility with MSRV 1.59.0.
+  [#229](https://github.com/serialport/serialport-rs/pull/229)
+
+
 ## [4.6.0] - 2024-10-21
 
 ### Added
@@ -469,7 +477,8 @@ Unreleased, happened due to a user error using `cargo-release`.
 * Initial release.
 
 
-[Unreleased]: https://github.com/serialport/serialport-rs/compare/v4.6.0...HEAD
+[Unreleased]: https://github.com/serialport/serialport-rs/compare/v4.6.1...HEAD
+[4.6.1]: https://github.com/serialport/serialport-rs/compare/v4.6.0...v4.6.1
 [4.6.0]: https://github.com/serialport/serialport-rs/compare/v4.5.1...v4.6.0
 [4.5.1]: https://github.com/serialport/serialport-rs/compare/v4.5.0...v4.5.1
 [4.5.0]: https://github.com/serialport/serialport-rs/compare/v4.4.0...v4.5.0
diff --git a/Cargo.toml b/Cargo.toml
index 2dda331b..b662fded 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "serialport"
-version = "4.6.1-alpha.0"
+version = "4.6.2-alpha.0"
 authors = [
     "Bryant Mairs <bryant@mai.rs>",
     "Jesse Braham <jesse@beta7.io>",
@@ -66,6 +66,11 @@ serde = { version = "1.0", features = ["derive"], optional = true }
 assert_hex = "0.4.1"
 clap = { version = "3.1.6", features = ["derive"] }
 envconfig = "0.10.0"
+# TODES Remove pinning this subdependency (of clap) when we are bumping our
+# MSRV (libc raised its MSRV with a patch release 0.2.167 from 1.19.0 to
+# 1.63.0). Trick the resolver into picking a compatible release of libc by
+# adding it as a direct dependency meanwhile.
+libc = ">=0.2.0, <=0.2.163"
 # TODO: Remove pinning this subdependency of clap when we are bumping our MSRV.
 # (There has been an incompatible change with the MSRV of os_str_bytes with
 # 6.6.0) Until then we are tricking the dependency resolver into using a
diff --git a/deny.toml b/deny.toml
index f28316d1..8699a5ce 100644
--- a/deny.toml
+++ b/deny.toml
@@ -81,6 +81,7 @@ allow = [
     "BSD-2-Clause",
     "MIT",
     "MPL-2.0",
+    "Unicode-3.0",
     "Unicode-DFS-2016",
 ]
 # The confidence threshold for detecting a license from license text.