diff --git a/lib/std/os/bits/darwin.zig b/lib/std/os/bits/darwin.zig
index 3fa37fe0f5..2ea9ae2cfa 100644
--- a/lib/std/os/bits/darwin.zig
+++ b/lib/std/os/bits/darwin.zig
@@ -771,6 +771,28 @@ pub const IPPROTO_UDP = 17;
 pub const IPPROTO_IP = 0;
 pub const IPPROTO_IPV6 = 41;
 
+pub const SOL_SOCKET = 0xffff;
+
+pub const SO_DEBUG = 0x0001;
+pub const SO_ACCEPTCONN = 0x0002;
+pub const SO_REUSEADDR = 0x0004;
+pub const SO_KEEPALIVE = 0x0008;
+pub const SO_DONTROUTE = 0x0010;
+pub const SO_BROADCAST = 0x0020;
+pub const SO_USELOOPBACK = 0x0040;
+pub const SO_LINGER = 0x1080;
+pub const SO_OOBINLINE = 0x0100;
+pub const SO_REUSEPORT = 0x0200;
+pub const SO_ACCEPTFILTER = 0x1000;
+pub const SO_SNDBUF = 0x1001;
+pub const SO_RCVBUF = 0x1002;
+pub const SO_SNDLOWAT = 0x1003;
+pub const SO_RCVLOWAT = 0x1004;
+pub const SO_SNDTIMEO = 0x1005;
+pub const SO_RCVTIMEO = 0x1006;
+pub const SO_ERROR = 0x1007;
+pub const SO_TYPE = 0x1008;
+
 fn wstatus(x: u32) u32 {
     return x & 0o177;
 }