diff --git a/Cargo.toml b/Cargo.toml
index 05dc4ed7d..539ba2c8b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -178,6 +178,7 @@ feat_os_unix_musl = [
   "feat_require_crate_cpp",
   "feat_require_unix",
   "feat_require_unix_hostid",
+  "feat_require_unix_utmpx",
 ]
 feat_os_unix_android = [
   "feat_Tier1",
@@ -308,7 +309,7 @@ hostname = "0.4"
 iana-time-zone = "0.1.57"
 indicatif = "0.17.8"
 itertools = "0.14.0"
-libc = "0.2.153"
+libc = "0.2.172"
 linux-raw-sys = "0.9"
 lscolors = { version = "0.20.0", default-features = false, features = [
   "gnu_legacy",
diff --git a/src/uucore/src/lib/features.rs b/src/uucore/src/lib/features.rs
index b19387c69..3f0649c0c 100644
--- a/src/uucore/src/lib/features.rs
+++ b/src/uucore/src/lib/features.rs
@@ -76,7 +76,6 @@ pub mod signals;
     not(target_os = "fuchsia"),
     not(target_os = "openbsd"),
     not(target_os = "redox"),
-    not(target_env = "musl"),
     feature = "utmpx"
 ))]
 pub mod utmpx;
diff --git a/src/uucore/src/lib/lib.rs b/src/uucore/src/lib/lib.rs
index bc4281979..0762240ed 100644
--- a/src/uucore/src/lib/lib.rs
+++ b/src/uucore/src/lib/lib.rs
@@ -89,7 +89,6 @@ pub use crate::features::signals;
     not(target_os = "fuchsia"),
     not(target_os = "openbsd"),
     not(target_os = "redox"),
-    not(target_env = "musl"),
     feature = "utmpx"
 ))]
 pub use crate::features::utmpx;