diff --git a/source/eventcore/drivers/posix/kqueue.d b/source/eventcore/drivers/posix/kqueue.d
index cf1aec4..e4c3ac6 100644
--- a/source/eventcore/drivers/posix/kqueue.d
+++ b/source/eventcore/drivers/posix/kqueue.d
@@ -8,6 +8,7 @@ module eventcore.drivers.posix.kqueue;
 @safe: /*@nogc:*/ nothrow:
 
 version (FreeBSD) enum have_kqueue = true;
+else version (DragonFlyBSD) enum have_kqueue = true;
 else version (OSX) enum have_kqueue = true;
 else enum have_kqueue = false;
 
@@ -21,6 +22,7 @@ import core.sys.posix.sys.time : timespec, time_t;
 
 version (OSX) import core.sys.darwin.sys.event;
 else version (FreeBSD) import core.sys.freebsd.sys.event;
+else version (DragonFlyBSD) import core.sys.dragonflybsd.sys.event;
 else static assert(false, "Kqueue not supported on this OS.");
 
 
diff --git a/source/eventcore/drivers/posix/sockets.d b/source/eventcore/drivers/posix/sockets.d
index 489df3c..daba7ae 100644
--- a/source/eventcore/drivers/posix/sockets.d
+++ b/source/eventcore/drivers/posix/sockets.d
@@ -25,6 +25,7 @@ version (Posix) {
 	{
 		version (linux) enum O_CLOEXEC = 0x80000;
 		else version (FreeBSD) enum O_CLOEXEC = 0x100000;
+		else version (DragonFlyBSD) enum O_CLOEXEC = 0x0020000;
 		else version (NetBSD) enum O_CLOEXEC = 0x400000;
 		else version (OpenBSD) enum O_CLOEXEC = 0x10000;
 		else version (OSX) enum O_CLOEXEC = 0x1000000;
@@ -57,6 +58,12 @@ version(FreeBSD) {
 		enum IP_MULTICAST_LOOP  = 11;
 	} else import core.sys.freebsd.netinet.in_ : IP_ADD_MEMBERSHIP, IP_MULTICAST_LOOP;
 }
+version(DragonFlyBSD) {
+	static if (__VERSION__ < 2077) {
+		enum IP_ADD_MEMBERSHIP  = 12;
+		enum IP_MULTICAST_LOOP  = 11;
+	} else import core.sys.dragonflybsd.netinet.in_ : IP_ADD_MEMBERSHIP, IP_MULTICAST_LOOP;
+}
 version (Solaris) {
 	enum IP_ADD_MEMBERSHIP = 0x13;
 	enum IP_MULTICAST_LOOP = 0x12;