diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 60cb9d5cb1431..6dceb068c42f4 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 f584133b577e8..a265051f0ad73 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 573975bd4087a..1f864f640cbb1 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 647e57e1c4e64..f5ad64b909663 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 b12fa51f48780..bdead3160de12 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 b87913f3692dc..0b54672cb756b 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 13790ef4dfcef..355f51168d825 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 afe806acec6fe..19e842b6f37c1 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 36aed29151b95..9d057de7b9058 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 2a08721d0ca2d..a63aa9bcb2e67 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 3e6e121744919..a6bacabe5f084 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 96a5bf3d63d69..82a7f6e3711c1 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;