diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 60cb9d5cb1431890d061696b1e2e94dc810de485..6dceb068c42f4de184ce5b03c053d04d302d07d2 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -762,6 +762,7 @@ pub const AF_INET6: ::c_int = 30;
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
 pub const SOCK_RAW: ::c_int = 3;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 pub const IPPROTO_TCP: ::c_int = 6;
 pub const IPPROTO_IP: ::c_int = 0;
 pub const IPPROTO_IPV6: ::c_int = 41;
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index f584133b577e8639d8de96f209132e7ae7576ee6..a265051f0ad736d4f0ee5147542975a0afa02025 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -531,6 +531,7 @@ pub const AF_UNIX: ::c_int = 1;
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
 pub const SOCK_RAW: ::c_int = 3;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 pub const IPPROTO_TCP: ::c_int = 6;
 pub const IPPROTO_IP: ::c_int = 0;
 pub const IPPROTO_IPV6: ::c_int = 41;
diff --git a/src/unix/bsd/openbsdlike/mod.rs b/src/unix/bsd/openbsdlike/mod.rs
index 573975bd4087a3f0c5baebf5e2ad4af124bdfef3..1f864f640cbb181ae30a9ad7d8c0c2a5b748f486 100644
--- a/src/unix/bsd/openbsdlike/mod.rs
+++ b/src/unix/bsd/openbsdlike/mod.rs
@@ -361,6 +361,7 @@ pub const AF_INET6: ::c_int = 24;
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
 pub const SOCK_RAW: ::c_int = 3;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 pub const IPPROTO_TCP: ::c_int = 6;
 pub const IPPROTO_IP: ::c_int = 0;
 pub const IPPROTO_IPV6: ::c_int = 41;
diff --git a/src/unix/notbsd/android/mod.rs b/src/unix/notbsd/android/mod.rs
index 647e57e1c4e6495fd1bbcfb4a7c9053336efb5cf..f5ad64b9096634ac020d670bec70e60c847fc756 100644
--- a/src/unix/notbsd/android/mod.rs
+++ b/src/unix/notbsd/android/mod.rs
@@ -324,6 +324,7 @@ pub const ENOTRECOVERABLE: ::c_int = 131;
 
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 1;
 
diff --git a/src/unix/notbsd/linux/mips.rs b/src/unix/notbsd/linux/mips.rs
index b12fa51f48780f5cd16ccdfc676fe2c10c0750e2..bdead3160de12c54f80723c13c17598e249e9700 100644
--- a/src/unix/notbsd/linux/mips.rs
+++ b/src/unix/notbsd/linux/mips.rs
@@ -349,6 +349,7 @@ pub const MAP_STACK: ::c_int = 0x40000;
 
 pub const SOCK_STREAM: ::c_int = 2;
 pub const SOCK_DGRAM: ::c_int = 1;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 0xffff;
 
diff --git a/src/unix/notbsd/linux/musl/b32/arm.rs b/src/unix/notbsd/linux/musl/b32/arm.rs
index b87913f3692dc1d3002a335a5ecda17fce2c662c..0b54672cb756b9ee176ff3228bc2788124ba7152 100644
--- a/src/unix/notbsd/linux/musl/b32/arm.rs
+++ b/src/unix/notbsd/linux/musl/b32/arm.rs
@@ -121,6 +121,7 @@ pub const MAP_STACK: ::c_int = 0x020000;
 
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 1;
 
diff --git a/src/unix/notbsd/linux/musl/b32/asmjs.rs b/src/unix/notbsd/linux/musl/b32/asmjs.rs
index 13790ef4dfcefa2b3a15e49121e537900a98d1ca..355f51168d825428d06a009e795125a289280b93 100644
--- a/src/unix/notbsd/linux/musl/b32/asmjs.rs
+++ b/src/unix/notbsd/linux/musl/b32/asmjs.rs
@@ -121,6 +121,7 @@ pub const MAP_STACK: ::c_int = 0x020000;
 
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 1;
 
diff --git a/src/unix/notbsd/linux/musl/b32/mips.rs b/src/unix/notbsd/linux/musl/b32/mips.rs
index afe806acec6fefd1a8a3810456c8785ff1b1af63..19e842b6f37c13d80d52499a9cd31d1e1f43c7ec 100644
--- a/src/unix/notbsd/linux/musl/b32/mips.rs
+++ b/src/unix/notbsd/linux/musl/b32/mips.rs
@@ -205,6 +205,7 @@ pub const ERFKILL: ::c_int = 167;
 
 pub const SOCK_STREAM: ::c_int = 2;
 pub const SOCK_DGRAM: ::c_int = 1;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 65535;
 
diff --git a/src/unix/notbsd/linux/musl/b32/x86.rs b/src/unix/notbsd/linux/musl/b32/x86.rs
index 36aed29151b95a3f62620546788c580ece521c71..9d057de7b90586583273250e10a7711f5e8b11e2 100644
--- a/src/unix/notbsd/linux/musl/b32/x86.rs
+++ b/src/unix/notbsd/linux/musl/b32/x86.rs
@@ -134,6 +134,7 @@ pub const MAP_STACK: ::c_int = 0x020000;
 
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 1;
 
diff --git a/src/unix/notbsd/linux/musl/b64/mod.rs b/src/unix/notbsd/linux/musl/b64/mod.rs
index 2a08721d0ca2d32c21d4f37125606c04eb75ad2c..a63aa9bcb2e67ad5aae767fa6e0032d7ba2dc16a 100644
--- a/src/unix/notbsd/linux/musl/b64/mod.rs
+++ b/src/unix/notbsd/linux/musl/b64/mod.rs
@@ -143,6 +143,7 @@ pub const MAP_32BIT: ::c_int = 0x0040;
 
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 1;
 
diff --git a/src/unix/notbsd/linux/other/mod.rs b/src/unix/notbsd/linux/other/mod.rs
index 3e6e1217449194336ac63c1b4b8a571d2c554de3..a6bacabe5f084928f7d5e2a8a280cafbd487909f 100644
--- a/src/unix/notbsd/linux/other/mod.rs
+++ b/src/unix/notbsd/linux/other/mod.rs
@@ -264,6 +264,7 @@ pub const ERFKILL: ::c_int = 132;
 
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 1;
 
diff --git a/src/unix/solaris/mod.rs b/src/unix/solaris/mod.rs
index 96a5bf3d63d6978c7eb1a8750dbdfe185e54d4bd..82a7f6e3711c1524b184dbd52b3ca07fa7c17102 100644
--- a/src/unix/solaris/mod.rs
+++ b/src/unix/solaris/mod.rs
@@ -696,6 +696,8 @@ pub const AF_UNIX: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 1;
 pub const SOCK_STREAM: ::c_int = 2;
 pub const SOCK_RAW: ::c_int = 4;
+pub const SOCK_RDM: ::c_int = 5;
+pub const SOCK_SEQPACKET: ::c_int = 6;
 pub const IPPROTO_TCP: ::c_int = 6;
 pub const IPPROTO_IP: ::c_int = 0;
 pub const IPPROTO_IPV6: ::c_int = 41;