diff --git a/build/external/packages/ipsec-mb.mk b/build/external/packages/ipsec-mb.mk
index 638f3c2..3e8ef21 100644
--- a/build/external/packages/ipsec-mb.mk
+++ b/build/external/packages/ipsec-mb.mk
@@ -11,13 +11,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ipsec-mb_version             := 1.4
+ipsec-mb_version             := 1.5
 ipsec-mb_tarball             := v$(ipsec-mb_version).tar.gz
 ipsec-mb_tarball_md5sum_1.0  := 906e701937751e761671dc83a41cff65
 ipsec-mb_tarball_md5sum_1.1  := 3916471d3713d27e42473cb6af9c65e5
 ipsec-mb_tarball_md5sum_1.2  := f551d9c208893a436c1f5c146a615bd6
 ipsec-mb_tarball_md5sum_1.3  := d8692db9efe32a263b61f12ac0dca950
 ipsec-mb_tarball_md5sum_1.4  := fddba2611f822296ddd82d1c31d22b24
+ipsec-mb_tarball_md5sum_1.5  := f18680f8dd43208a15a19a494423bdb9
 
 ipsec-mb_tarball_md5sum      := $(ipsec-mb_tarball_md5sum_$(ipsec-mb_version))
 ipsec-mb_tarball_strip_dirs  := 1