diff --git a/.gitignore b/.gitignore
index 34231f2da2796a4f1371961664b38b08c1b3209d..c6f437de300dd684dd0b86ba455441989004c096 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # Prerequisites
 build/*
+build_stretch/*
 test/build
 *.d
 *.txt.user
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a0fc9339a426671eea4e2512b7acf2e513eb6f05..1b31d8631e1ed21a9b618af2c0470d82194dc191 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,7 +39,7 @@ SET( CPACK_GENERATOR "DEB")
 SET( CPACK_PACKAGE_NAME  "${PROJECT_NAME}")
 SET( CPACK_PACKAGE_VERSION_MAJOR 2)
 SET( CPACK_PACKAGE_VERSION_MINOR 4)
-SET( CPACK_PACKAGE_VERSION_PATCH 7)
+SET( CPACK_PACKAGE_VERSION_PATCH 8)
 
 SET( CPACK_SYSTEM_NAME "debian-9.9-amd64")
 SET( CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}-${CPACK_PACKAGE_VERSION_PATCH}")
@@ -47,9 +47,6 @@ SET( CPACK_DEBIAN_PACKAGE_MAINTAINER "Dmitriy Gerasimov <naeper@demlabs.net>" )
 SET( CPACK_DEBIAN_PACKAGE_DESCRIPTION_SUMMARY "CellFrame Node software ( https://cellframe.net ) " )
 SET( CPACK_DEBIAN_PACKAGE_DESCRIPTION   "CellFrame Node" )
 SET( CPACK_DEBIAN_PACKAGE_SECTION "extra")
-#SET( CPACK_DEBIAN_PACKAGE_ARCHITECTURE "debian-9.7-amd64" )
-#SET( CPACK_PACKAGE_FILE_NAME "${CPACK_DEBIAN_PACKAGE_NAME}-${CPACK_DEBIAN_PACKAGE_VERSION}-${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}")
-#SET( CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64" )
 SET( CPACK_DEBIAN_PACKAGE_DEPENDS "debconf (>=1.5), dpkg (>=1.17), bash (>=4), debconf-utils, dconf-cli, less, pv, psmisc")
 SET( CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
 SET( CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA
diff --git a/libdap-chain b/libdap-chain
index bf6609ff3a05592c6f08ea1951790478beee9192..a9b0b30fdb399da12cf8581319ac1c2279322b19 160000
--- a/libdap-chain
+++ b/libdap-chain
@@ -1 +1 @@
-Subproject commit bf6609ff3a05592c6f08ea1951790478beee9192
+Subproject commit a9b0b30fdb399da12cf8581319ac1c2279322b19
diff --git a/libdap-chain-mempool b/libdap-chain-mempool
index 1bf5ea35fd12fc2e95debe5c4e193a5e06aa0bd6..fd7c74df13d963215d88dd3622bde5b39f5ca7bd 160000
--- a/libdap-chain-mempool
+++ b/libdap-chain-mempool
@@ -1 +1 @@
-Subproject commit 1bf5ea35fd12fc2e95debe5c4e193a5e06aa0bd6
+Subproject commit fd7c74df13d963215d88dd3622bde5b39f5ca7bd
diff --git a/libdap-chain-net b/libdap-chain-net
index e19832559cf7462685fe9e95e8dacf0908dddbd7..0b4164fe9fd8da37bc42c270febcafb0aa84fc18 160000
--- a/libdap-chain-net
+++ b/libdap-chain-net
@@ -1 +1 @@
-Subproject commit e19832559cf7462685fe9e95e8dacf0908dddbd7
+Subproject commit 0b4164fe9fd8da37bc42c270febcafb0aa84fc18