diff --git a/CHANGES b/CHANGES
index d65c3e4346..343ee002ea 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,8 @@
 
+3.1.0-dev.235 | 2019-10-30 15:04:13 -0700
+
+  * GH-649: define missing DLT_NFLOG to support OpenBSD (Jon Siwek, Corelight)
+
 3.1.0-dev.234 | 2019-10-30 13:33:08 -0700
 
   * Add --libdir convenience flag to configure. (Johanna Amann, Corelight)
diff --git a/VERSION b/VERSION
index f19562a8f8..6c9ffac794 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.1.0-dev.234
+3.1.0-dev.235
diff --git a/aux/bifcl b/aux/bifcl
index 32afd03e34..4565be72bd 160000
--- a/aux/bifcl
+++ b/aux/bifcl
@@ -1 +1 @@
-Subproject commit 32afd03e3478d43ba156e959bafd9d16fadd92e7
+Subproject commit 4565be72bdb2c39532a6e21e24a498b131517492
diff --git a/aux/binpac b/aux/binpac
index b1b79be93c..db52dc35d0 160000
--- a/aux/binpac
+++ b/aux/binpac
@@ -1 +1 @@
-Subproject commit b1b79be93cd136fde75b39252e857b3257dbd974
+Subproject commit db52dc35d0a6a503caf7b8c5428cc84ef6fc204d
diff --git a/aux/broker b/aux/broker
index d624c004be..960b97bff2 160000
--- a/aux/broker
+++ b/aux/broker
@@ -1 +1 @@
-Subproject commit d624c004be6c2d39ebb35bf21da49c417f05581d
+Subproject commit 960b97bff2da42bca5ac64af7146ccba727432de
diff --git a/aux/zeek-aux b/aux/zeek-aux
index 246688b548..b36db12038 160000
--- a/aux/zeek-aux
+++ b/aux/zeek-aux
@@ -1 +1 @@
-Subproject commit 246688b5484049000b5c7c8b4d05cf4559d0fa2f
+Subproject commit b36db12038eb9d9b400f19308227854e3885835a
diff --git a/aux/zeekctl b/aux/zeekctl
index dbe9d5cba9..246ba470e5 160000
--- a/aux/zeekctl
+++ b/aux/zeekctl
@@ -1 +1 @@
-Subproject commit dbe9d5cba9378b804d36e102b751a754ff28b7c9
+Subproject commit 246ba470e5e653c64589bb1fb0c210a2617fac34
diff --git a/cmake b/cmake
index 329c27dc78..e8ddcaeb58 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 329c27dc78d97e2782b17f5a35a8e7a058dd2011
+Subproject commit e8ddcaeb5885970f3abdcd641120bbb803ddefb4
diff --git a/zeek-config.h.in b/zeek-config.h.in
index d21a7bdc7c..343ab49363 100644
--- a/zeek-config.h.in
+++ b/zeek-config.h.in
@@ -163,13 +163,18 @@
 /* Define u_int8_t */
 #cmakedefine u_int8_t @u_int8_t@
 
-/* OpenBSD's bpf.h may not declare this data link type, but it's supposed to be
+/* OpenBSD's bpf.h may not declare some data link types, but they're
    used consistently for the same purpose on all platforms. */
 #cmakedefine HAVE_DLT_PPP_SERIAL
 #ifndef HAVE_DLT_PPP_SERIAL
 #define DLT_PPP_SERIAL @DLT_PPP_SERIAL@
 #endif
 
+#cmakedefine HAVE_DLT_NFLOG
+#ifndef HAVE_DLT_NFLOG
+#define DLT_NFLOG @DLT_NFLOG@
+#endif
+
 /* IPv6 Next Header values defined by RFC 3542 */
 #cmakedefine HAVE_IPPROTO_HOPOPTS
 #ifndef HAVE_IPPROTO_HOPOPTS