diff --git a/src/fuchsia/mod.rs b/src/fuchsia/mod.rs
index bb641b3b..f5b4f7fc 100644
--- a/src/fuchsia/mod.rs
+++ b/src/fuchsia/mod.rs
@@ -1486,8 +1486,12 @@ pub const IP_HDRINCL: ::c_int = 3;
 pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
 pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
 pub const IP_TRANSPARENT: ::c_int = 19;
+pub const IPV6_MULTICAST_IF: ::c_int = 17;
+pub const IPV6_MULTICAST_HOPS: ::c_int = 18;
+pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
+pub const IPV6_V6ONLY: ::c_int = 26;
 
 pub const TCP_NODELAY: ::c_int = 1;
 pub const TCP_MAXSEG: ::c_int = 2;
@@ -1503,9 +1507,6 @@ pub const TCP_INFO: ::c_int = 11;
 pub const TCP_QUICKACK: ::c_int = 12;
 pub const TCP_CONGESTION: ::c_int = 13;
 
-pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
-pub const IPV6_V6ONLY: ::c_int = 26;
-
 pub const SO_DEBUG: ::c_int = 1;
 
 pub const SHUT_RD: ::c_int = 0;
diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs
index b9a88f09..bacfb411 100644
--- a/src/unix/bsd/mod.rs
+++ b/src/unix/bsd/mod.rs
@@ -183,6 +183,9 @@ pub const IP_MULTICAST_IF: ::c_int = 9;
 pub const IP_MULTICAST_TTL: ::c_int = 10;
 pub const IP_MULTICAST_LOOP: ::c_int = 11;
 
+pub const IPV6_UNICAST_HOPS: ::c_int = 4;
+pub const IPV6_MULTICAST_IF: ::c_int = 9;
+pub const IPV6_MULTICAST_HOPS: ::c_int = 10;
 pub const IPV6_MULTICAST_LOOP: ::c_int = 11;
 pub const IPV6_V6ONLY: ::c_int = 27;
 
diff --git a/src/unix/notbsd/mod.rs b/src/unix/notbsd/mod.rs
index 07a60430..92dfad6b 100644
--- a/src/unix/notbsd/mod.rs
+++ b/src/unix/notbsd/mod.rs
@@ -576,8 +576,13 @@ pub const IP_HDRINCL: ::c_int = 3;
 pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
 pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
 pub const IP_TRANSPARENT: ::c_int = 19;
+pub const IPV6_UNICAST_HOPS: ::c_int = 16;
+pub const IPV6_MULTICAST_IF: ::c_int = 17;
+pub const IPV6_MULTICAST_HOPS: ::c_int = 18;
+pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
+pub const IPV6_V6ONLY: ::c_int = 26;
 
 pub const TCP_NODELAY: ::c_int = 1;
 pub const TCP_MAXSEG: ::c_int = 2;
@@ -593,9 +598,6 @@ pub const TCP_INFO: ::c_int = 11;
 pub const TCP_QUICKACK: ::c_int = 12;
 pub const TCP_CONGESTION: ::c_int = 13;
 
-pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
-pub const IPV6_V6ONLY: ::c_int = 26;
-
 pub const SO_DEBUG: ::c_int = 1;
 
 pub const SHUT_RD: ::c_int = 0;