diff --git a/src/external/libkqueue b/src/external/libkqueue
index e7f550d34..a2523329a 160000
--- a/src/external/libkqueue
+++ b/src/external/libkqueue
@@ -1 +1 @@
-Subproject commit e7f550d34d2252a6d8bd376b1ac7bc0d0bee2eb7
+Subproject commit a2523329a0e4f0987e86316e9e47b25ae360364a
diff --git a/src/kernel/emulation/linux/CMakeLists.txt b/src/kernel/emulation/linux/CMakeLists.txt
index 1c8ad1c31..f19485eff 100644
--- a/src/kernel/emulation/linux/CMakeLists.txt
+++ b/src/kernel/emulation/linux/CMakeLists.txt
@@ -34,6 +34,7 @@ set(emulation_sources
 	unistd/pwrite.c
 	unistd/readv.c
 	unistd/writev.c
+	unistd/flock.c
 	mman/mman.c
 	mman/madvise.c
 	mman/msync.c
diff --git a/src/kernel/emulation/linux/syscalls.c b/src/kernel/emulation/linux/syscalls.c
index d2e803044..62aed59ae 100644
--- a/src/kernel/emulation/linux/syscalls.c
+++ b/src/kernel/emulation/linux/syscalls.c
@@ -7,6 +7,7 @@
 #include "mman/mman.h"
 #include "mman/madvise.h"
 #include "mman/msync.h"
+#include "unistd/flock.h"
 #include "unistd/sync.h"
 #include "unistd/fsync.h"
 #include "unistd/fdatasync.h"
@@ -242,6 +243,7 @@ void* __bsd_syscall_table[600] = {
 	[123] = sys_fchown,
 	[124] = sys_fchmod,
 	[128] = sys_rename,
+	[131] = sys_flock,
 	[132] = sys_mkfifo,
 	[133] = sys_sendto,
 	[134] = sys_shutdown,
diff --git a/src/kernel/emulation/linux/unistd/flock.c b/src/kernel/emulation/linux/unistd/flock.c
new file mode 100644
index 000000000..4990a23dd
--- /dev/null
+++ b/src/kernel/emulation/linux/unistd/flock.c
@@ -0,0 +1,15 @@
+#include "flock.h"
+#include "../base.h"
+#include "../errno.h"
+#include <linux-syscalls/linux.h>
+
+long sys_flock(int fd, int op)
+{
+	int ret;
+
+	ret = LINUX_SYSCALL(__NR_flock, fd, op);
+	if (ret < 0)
+		ret = errno_linux_to_bsd(ret);
+
+	return ret;
+}
diff --git a/src/kernel/emulation/linux/unistd/flock.h b/src/kernel/emulation/linux/unistd/flock.h
new file mode 100644
index 000000000..f3f864ec0
--- /dev/null
+++ b/src/kernel/emulation/linux/unistd/flock.h
@@ -0,0 +1,7 @@
+#ifndef LINUX_FLOCK_H
+#define LINUX_FLOCK_H
+
+long sys_flock(int fd, int op);
+
+#endif
+