diff --git a/man5/proc.5 b/man5/proc.5
index 38db4a958..40f106d40 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -1599,6 +1599,7 @@ CapInh: 0000000000000000
 CapPrm: 0000000000000000
 CapEff: 0000000000000000
 CapBnd: ffffffffffffffff
+Seccomp:        0
 Cpus_allowed:   00000001
 Cpus_allowed_list:      0
 Mems_allowed:   1
@@ -1711,6 +1712,21 @@ Capability Bounding set
 (since Linux 2.6.26, see
 .BR capabilities (7)).
 .IP *
+.IR Seccomp :
+.\" commit 2f4b3bf6b2318cfaa177ec5a802f4d8d6afbd816
+Seccomp mode of the process
+(since Linux 3.8, see
+.BR seccomp (2)).
+0 means
+.BR SECCOMP_MODE_DISABLED ;
+1 means
+.BR SECCOMP_MODE_STRICT ;
+2 means
+.BR SECCOMP_MODE_FILTER .
+This field is provided only if the kernel was built with the
+.BR CONFIG_SECCOMP
+kernel configuration option enabled.
+.IP *
 .IR Cpus_allowed :
 Mask of CPUs on which this process may run
 (since Linux 2.6.24, see