diff --git a/Cargo.toml b/Cargo.toml
index bcca102820..ee5c8e6623 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ targets = [
 ]
 
 [dependencies]
-libc = { version = "=0.2.175", features = ["extra_traits"] }
+libc = { version = "=0.2.180", features = ["extra_traits"] }
 bitflags = "2.3.3"
 cfg-if = "1.0"
 pin-utils = { version = "0.1.0", optional = true }
diff --git a/changelog/2724.changed.md b/changelog/2724.changed.md
new file mode 100644
index 0000000000..2317cfa9c4
--- /dev/null
+++ b/changelog/2724.changed.md
@@ -0,0 +1 @@
+Bumped libc to [0.2.180](https://github.com/rust-lang/libc/releases/tag/0.2.180)
diff --git a/changelog/2724.removed.md b/changelog/2724.removed.md
new file mode 100644
index 0000000000..1e05aa62d4
--- /dev/null
+++ b/changelog/2724.removed.md
@@ -0,0 +1 @@
+Removed `IFF_NOTRAILERS` by NetBSD, as it has been removed upstream and from libc
diff --git a/src/net/if_.rs b/src/net/if_.rs
index cae6e3f826..1e2085c338 100644
--- a/src/net/if_.rs
+++ b/src/net/if_.rs
@@ -66,7 +66,6 @@ libc_bitflags!(
                   solarish,
                   apple_targets,
                   target_os = "fuchsia",
-                  target_os = "netbsd",
                   target_os = "cygwin"))]
         IFF_NOTRAILERS as IflagsType;
         /// Interface manages own routes.
diff --git a/src/sys/event.rs b/src/sys/event.rs
index ce3d558312..b93004904f 100644
--- a/src/sys/event.rs
+++ b/src/sys/event.rs
@@ -91,11 +91,6 @@ impl Kqueue {
     }
 }
 
-#[cfg(any(freebsdlike, apple_targets, target_os = "openbsd"))]
-type type_of_udata = *mut libc::c_void;
-#[cfg(target_os = "netbsd")]
-type type_of_udata = intptr_t;
-
 #[cfg(target_os = "netbsd")]
 type type_of_event_filter = u32;
 #[cfg(not(target_os = "netbsd"))]
@@ -364,7 +359,7 @@ impl KEvent {
                 fflags: fflags.bits(),
                 // data can be either i64 or intptr_t, depending on platform
                 data: data as _,
-                udata: udata as type_of_udata,
+                udata: udata as *mut libc::c_void,
                 ..unsafe { mem::zeroed() }
             },
         }
@@ -456,5 +451,5 @@ pub fn ev_set(
     ev.kevent.flags = flags.bits();
     ev.kevent.fflags = fflags.bits();
     ev.kevent.data = 0;
-    ev.kevent.udata = udata as type_of_udata;
+    ev.kevent.udata = udata as *mut libc::c_void;
 }
diff --git a/src/sys/termios.rs b/src/sys/termios.rs
index b7a693ab10..b5d8fed5f7 100644
--- a/src/sys/termios.rs
+++ b/src/sys/termios.rs
@@ -478,6 +478,14 @@ libc_bitflags! {
         ICRNL;
         IXON;
         IXOFF;
+        #[cfg(any(linux_android,
+                  target_os = "aix",
+                  target_os = "cygwin",
+                  target_os = "haiku",
+                  target_os = "hurd",
+                  target_os = "nto",
+                  solarish))]
+        IUCLC;
         #[cfg(not(target_os = "redox"))]
         IXANY;
         #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
diff --git a/src/sys/time.rs b/src/sys/time.rs
index 7e89c72149..814ecc9394 100644
--- a/src/sys/time.rs
+++ b/src/sys/time.rs
@@ -624,6 +624,10 @@ impl TimeVal {
         })
     }
 
+    #[cfg_attr(
+        any(target_env = "musl", target_env = "ohos"),
+        allow(deprecated)
+    )] // https://github.com/rust-lang/libc/issues/1848
     fn micros_mod_sec(&self) -> suseconds_t {
         if self.tv_sec() < 0 && self.tv_usec() > 0 {
             self.tv_usec() - MICROS_PER_SEC as suseconds_t
@@ -640,6 +644,10 @@ impl TimeVal {
         self.0.tv_sec
     }
 
+    #[cfg_attr(
+        any(target_env = "musl", target_env = "ohos"),
+        allow(deprecated)
+    )] // https://github.com/rust-lang/libc/issues/1848
     pub const fn tv_usec(&self) -> suseconds_t {
         self.0.tv_usec
     }