diff --git a/CHANGES.txt b/CHANGES.txt
index 13bbfb7679b899fc2daaec3c16108d55156588b0..9e5612af12bbc02020c83f5b9ce2fc0d9ee4460b 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,11 @@
 Changes
 =======
 
+0.100 (2015-04-20)
+------------------
+ * re6stnet recipe: re6st-registry log can now be reopened with SIGUSR1
+ * re6stnet recipe: re6st certificate generation is improved.
+
 0.99 (2015-04-10)
 -----------------
  * re6stnet: new recipe to deploy re6st registry (re6st master) with slapos.
diff --git a/component/babeld/buildout.cfg b/component/babeld/buildout.cfg
index 7b1674ce48146c997059d4a6e5367bf68b0dbaa0..590025a7040c50a5e999a65522f69e0da64e8a6d 100644
--- a/component/babeld/buildout.cfg
+++ b/component/babeld/buildout.cfg
@@ -6,9 +6,8 @@ parts = babeld
 
 [babeld]
 recipe = slapos.recipe.cmmi
-# Babeld version v1.6.0-nxd1
-url = http://git.erp5.org/gitweb/babeld.git/snapshot/e39e62b5ecbce9d488b4f2a0999f8b5e7612e75f.tar.gz
-md5sum = 3a2697f3f6e5815632809c84c004bfaa
+url = https://lab.nexedi.cn/rafael/babeld/repository/archive.tar.gz?ref=v1.6.0-nxd1 
+md5sum = 1f269d01321103873b8d245df19984f0 
 configure-command =
   echo "No configure.."
 
diff --git a/component/gnutls/buildout.cfg b/component/gnutls/buildout.cfg
index 1834a3fa1f70cca5bee2588cd75306516ca43667..fcb5f75961345afc1e4a2d91605c759e10783892 100644
--- a/component/gnutls/buildout.cfg
+++ b/component/gnutls/buildout.cfg
@@ -11,8 +11,8 @@ parts = gnutls
 
 [gpg-error]
 recipe = slapos.recipe.cmmi
-url = ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.18.tar.bz2
-md5sum = 12312802d2065774b787cbfc22cc04e9
+url = ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.19.tar.bz2
+md5sum = c04c16245b92829281f43b5bef7d16da
 
 [gcrypt]
 recipe = slapos.recipe.cmmi
diff --git a/component/libyaml/buildout.cfg b/component/libyaml/buildout.cfg
index 83cf625883090fb003b9d7569ad33f255417f61f..490ea3572d9665130c0c5b4a2955d2e8286c03c5 100644
--- a/component/libyaml/buildout.cfg
+++ b/component/libyaml/buildout.cfg
@@ -5,5 +5,5 @@ parts =
 
 [libyaml]
 recipe = slapos.recipe.cmmi
-url = http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz
-md5sum = 36c852831d02cf90508c29852361d01b
+url = http://pyyaml.org/download/libyaml/yaml-0.1.6.tar.gz
+md5sum = 5fe00cda18ca5daeb43762b80c38e06e
diff --git a/component/perl/buildout.cfg b/component/perl/buildout.cfg
index 83e11ae4effb0a8fd045edadfbcc613fc7f23236..37cd515e770ccbcf8ec39b28bd5b343787f67d41 100644
--- a/component/perl/buildout.cfg
+++ b/component/perl/buildout.cfg
@@ -7,9 +7,9 @@ parts =
 
 [perl]
 recipe = slapos.recipe.cmmi
-version = 5.20.1
+version = 5.20.2
 url = http://www.cpan.org/src/5.0/perl-${:version}.tar.bz2
-md5sum = ede5166f949d9a07163bc5b086be9759
+md5sum = 21062666f1c627aeb6dbff3c6952738b
 siteprefix = ${buildout:parts-directory}/site_${:_buildout_section_name_}
 patch-options = -p1
 patches =
diff --git a/component/ruby/buildout.cfg b/component/ruby/buildout.cfg
index 96bbbb0b6fb3d71627e9f2114c381a6801dbb299..534b944b1fe3e4fb01ccbb27e29579a85b220cac 100644
--- a/component/ruby/buildout.cfg
+++ b/component/ruby/buildout.cfg
@@ -2,32 +2,28 @@
 
 extends =
   ../gdbm/buildout.cfg
-  ../openssl/buildout.cfg
-  ../zlib/buildout.cfg
-  ../readline/buildout.cfg
-  ../ncurses/buildout.cfg
+  ../libffi/buildout.cfg
   ../libyaml/buildout.cfg
-  ../openssl/buildout.cfg
   ../ncurses/buildout.cfg
+  ../openssl/buildout.cfg
   ../readline/buildout.cfg
+  ../xz-utils/buildout.cfg
   ../zlib/buildout.cfg
 
 parts = ruby
 
-[ruby-1.9.3]
+[ruby-2.2]
 recipe = slapos.recipe.cmmi
-url = http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p194.tar.gz
-md5sum = bc0c715c69da4d1d8bd57069c19f6c0e
+url = http://ftp.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.xz
+md5sum = dbce9b9d79d90f213ba8d448b0b6ed86
 configure-options =
   --enable-shared --enable-rpath --disable-install-doc
-  --enable-pthread --enable-ipv6
-  --with-ext=bigdecimal,continuation,curses,date,digest,dl,etc,fcntl,iconv,io,json,nkf,openssl,pathname,psych,pty,racc,readline,ripper,sdbm,socket,stringio,strscan,syck,syslog,zlib
+  --with-out-ext=tk,tk/tkutil,win32,win32ole
 environment =
-  CPPFLAGS=-I${zlib:location}/include -I${readline:location}/include -I${libyaml:location}/include -I${ncurses:location}/include -I${ncurses:location}/include/ncursesw  -I${gdbm:location}/include -I${openssl:location}/include
-  LDFLAGS=-L${zlib:location}/lib -L${libyaml:location}/lib -L${readline:location}/lib -L${ncurses:location}/lib  -L${gdbm:location}/lib -L${openssl:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${libyaml:location}/lib   -Wl,-rpath=${ncurses:location}/lib  -Wl,-rpath=${readline:location}/lib -Wl,-rpath=${gdbm:location}/lib -Wl,-rpath=${openssl:location}/lib
+  PATH=${xz-utils:location}/bin:%(PATH)s
+  CPPFLAGS=-I${gdbm:location}/include -I${libffi:location}/include -I${libyaml:location}/include -I${ncurses:location}/include -I${ncurses:location}/include/ncursesw -I${openssl:location}/include -I${readline:location}/include -I${zlib:location}/include
+  LDFLAGS=-L${gdbm:location}/lib -L${libffi:location}/lib -L${libyaml:location}/lib -L${ncurses:location}/lib -L${openssl:location}/lib -L${readline:location}/lib -L${zlib:location}/lib -Wl,-rpath=${gdbm:location}/lib  -Wl,-rpath=${libffi:location}/lib -Wl,-rpath=${libyaml:location}/lib -Wl,-rpath=${ncurses:location}/lib -Wl,-rpath=${openssl:location}/lib -Wl,-rpath=${readline:location}/lib -Wl,-rpath=${zlib:location}/lib
   PKG_CONFIG_PATH=${libyaml:location}/lib/
 
-[ruby-1.9]
-<= ruby-1.9.3
-
 [ruby]
+<= ruby-2.2
diff --git a/setup.py b/setup.py
index c6521e61b4243082bb4683cfdf6c3205165298c0..3347ec147fdce8d528e43ab95a435ba5b4f3c281 100755
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ from setuptools import setup, find_packages
 import glob
 import os
 
-version = '0.100.dev0'
+version = '0.101.dev0'
 name = 'slapos.cookbook'
 long_description = open("README.txt").read() + "\n" + \
     open("CHANGES.txt").read() + "\n"
diff --git a/software/re6stnet/software.cfg b/software/re6stnet/software.cfg
index aae5cfc5a37fa7b0286e9acb5c936a97d3f03d2f..62b3fcff704f232dc89cc9169aec3cb6da3401cd 100644
--- a/software/re6stnet/software.cfg
+++ b/software/re6stnet/software.cfg
@@ -13,7 +13,6 @@ extends =
 
 develop = 
   ${:parts-directory}/re6stnet-repository
-  ${:parts-directory}/slapos.cookbook-repository
 
 parts = 
   slapos-cookbook
@@ -48,7 +47,7 @@ eggs =
 [re6stnet-repository]
 repository = http://git.erp5.org/repos/re6stnet.git
 branch = re6st-slapos
-revision = 
+revision = 8130c7380cbf3f13bdc4e5ecb8e792fb7d2b7b2e
 
 
 [slapos.cookbook-repository]
@@ -128,7 +127,6 @@ stop-on-error = true
 update-command = ${:command}
 command =
   grep parts ${buildout:develop-eggs-directory}/re6stnet.egg-link
-  grep parts ${buildout:develop-eggs-directory}/slapos.cookbook.egg-link
 
 [versions]
 apache-libcloud = 0.17.0
diff --git a/stack/erp5/buildout.cfg b/stack/erp5/buildout.cfg
index ae1688df4a86d8c3721bab0d6fb692dd776c0c28..549cd56077744822b507b6f242ca3ac28776ef99 100644
--- a/stack/erp5/buildout.cfg
+++ b/stack/erp5/buildout.cfg
@@ -596,7 +596,7 @@ Products.PluginRegistry = 1.3
 Products.TIDStorage = 5.4.9
 PyPDF2 = 1.24
 PyXML = 0.8.5
-Pympler = 0.4
+Pympler = 0.4.1
 StructuredText = 2.11.1
 WSGIUtils = 0.7
 apache-libcloud = 0.17.0
@@ -613,7 +613,7 @@ five.localsitemanager = 2.0.5
 gitdb = 0.6.4
 greenlet = 0.4.5
 http-parser = 0.8.3
-httplib2 = 0.9
+httplib2 = 0.9.1
 huBarcode = 1.0.0
 interval = 1.0.0
 ipdb = 0.8
diff --git a/stack/slapos.cfg b/stack/slapos.cfg
index c0e45b5a7fb199c92fae76ad22b25a7c84d8d55e..771d594b121870a0468189f6d84480eef405f8ea 100644
--- a/stack/slapos.cfg
+++ b/stack/slapos.cfg
@@ -103,7 +103,7 @@ eggs =
 
 [versions]
 # Use SlapOS patched zc.buildout
-zc.buildout = 1.7.1.post6
+zc.buildout = 1.7.1.post7
 # Use SlapOS patched zc.recipe.egg (zc.recipe.egg 2.x is for Buildout 2)
 zc.recipe.egg = 1.3.2.post2
 # Use own version of h.r.download to be able to open .xz and .lz archives
@@ -116,24 +116,24 @@ buildout-versions = 1.7
 cffi = 0.9.2
 collective.recipe.template = 1.11
 cmd2 = 0.6.8
-cryptography = 0.8.1
+cryptography = 0.8.2
 inotifyx = 0.2.2
 itsdangerous = 0.24
-lxml = 3.4.2
+lxml = 3.4.3
 meld3 = 1.0.2
 mr.developer = 1.31
 netaddr = 0.7.14
 pbr = 0.10.8
 prettytable = 0.7.2
 psutil = 2.2.1
-pyOpenSSL = 0.14
+pyOpenSSL = 0.15.1
 pyparsing = 2.0.3
 pytz = 2015.2
 requests = 2.6.0
-setuptools = 12.0.4
+setuptools = 15.1
 simplejson = 3.6.5
 six = 1.9.0
-slapos.cookbook = 0.99
+slapos.cookbook = 0.100
 slapos.core = 1.3.9
 slapos.libnetworkcache = 0.14.2
 slapos.recipe.build = 0.21