diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
index 9f066c23da0af..82e42e778883e 100644
--- a/libc-test/semver/linux.txt
+++ b/libc-test/semver/linux.txt
@@ -2084,6 +2084,7 @@ PACKET_FANOUT_QM
 PACKET_FANOUT_RND
 PACKET_FANOUT_ROLLOVER
 PACKET_HOST
+PACKET_IGNORE_OUTGOING
 PACKET_KERNEL
 PACKET_LOOPBACK
 PACKET_LOSS
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 8ee5c6352008a..6e09fbd4cfd58 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -3800,6 +3800,7 @@ pub const PACKET_LOSS: c_int = 14;
 pub const PACKET_TIMESTAMP: c_int = 17;
 pub const PACKET_FANOUT: c_int = 18;
 pub const PACKET_QDISC_BYPASS: c_int = 20;
+pub const PACKET_IGNORE_OUTGOING: c_int = 23;
 
 pub const PACKET_FANOUT_HASH: c_uint = 0;
 pub const PACKET_FANOUT_LB: c_uint = 1;