diff --git a/stack/erp5/buildout.cfg b/stack/erp5/buildout.cfg
index e767b5710684987859b67fff40d011cc487b6bd3..e048482d8ed3cc7bbe2f79e36013a35fef0dc629 100644
--- a/stack/erp5/buildout.cfg
+++ b/stack/erp5/buildout.cfg
@@ -634,7 +634,7 @@ cloudooo = 1.2.5-dev
 
 # use newer version than specified in ZTK
 PasteDeploy = 1.5.2
-Pygments = 2.0.2
+Pygments = 2.1.3
 argparse = 1.4.0
 coverage = 4.0.3
 zope.dottedname = 4.1.0
@@ -675,7 +675,7 @@ Products.ExternalEditor = 2.0.0
 Products.GenericSetup = 1.8.2
 Products.LongRequestLogger = 2.0.0
 Products.MimetypesRegistry = 2.0.8
-Products.PluginRegistry = 1.3
+Products.PluginRegistry = 1.4
 Products.TIDStorage = 5.4.9
 PyPDF2 = 1.25.1
 PyStemmer = 1.3.0
@@ -699,21 +699,21 @@ httplib2 = 0.9.2
 huBarcode = 1.0.0
 interval = 1.0.0
 ipdb = 0.9.0
-ipython = 4.1.1
+ipython = 4.1.2
 ipywidgets = 4.1.1
 logilab-common = 1.1.0
 matplotlib = 1.5.1
-mistune = 0.7.1
+mistune = 0.7.2
 numpy = 1.10.4
 objgraph = 2.0.1
-pandas = 0.17.1
+pandas = 0.18.0
 path.py = 8.1.2
 ply = 3.8
 polib = 1.0.7
 pprofile = 1.8
 ptyprocess = 0.5.1
 pycountry = 1.20
-pyflakes = 1.0.0
+pyflakes = 1.1.0
 # pylint 1.5.1 breaks testDynamicClassGeneration
 pylint = 1.4.4
 python-memcached = 1.57
@@ -748,18 +748,18 @@ backports.ssl-match-hostname = 3.5.0.1
 
 # Required by:
 # tornado==4.3
-certifi = 2015.11.20.1
+certifi = 2016.2.28
 
 # Required by:
 # qrcode==5.2.2
-colorama = 0.3.6
+colorama = 0.3.7
 
 # Required by:
 # matplotlib==1.5.1
 cycler = 0.10.0
 
 # Required by:
-# ipython==4.1.1
+# ipython==4.1.2
 # traitlets==4.1.0
 decorator = 4.0.9
 
@@ -770,7 +770,7 @@ fpconst = 0.7.2
 # Required by:
 # ipywidgets==4.1.1
 # notebook==4.1.0
-ipykernel = 4.2.2
+ipykernel = 4.3.1
 
 # Required by:
 # nbformat==4.0.1
@@ -792,24 +792,24 @@ nbformat = 4.0.1
 notebook = 4.1.0
 
 # Required by:
-# ipython==4.1.1
+# ipython==4.1.2
 pexpect = 4.0.1
 
 # Required by:
-# ipython==4.1.1
+# ipython==4.1.2
 pickleshare = 0.6
 
 # Required by:
 # matplotlib==1.5.1
-# pandas==0.17.1
-python-dateutil = 2.4.2
+# pandas==0.18.0
+python-dateutil = 2.5.0
 
 # Required by:
 # tornado==4.3
 singledispatch = 3.4.0.3
 
 # Required by:
-# ipython==4.1.1
+# ipython==4.1.2
 # ipywidgets==4.1.1
 # notebook==4.1.0
 traitlets = 4.1.0
@@ -826,8 +826,3 @@ zope.app.dependable = 3.5.1
 # Products.CMFCalendar==2.2.3
 # five.formlib==1.0.4
 zope.app.form = 4.0.2
-
-# Required by:
-# Products.ZCatalog==2.13.27
-# zope.container==3.11.2
-zope.dottedname = 4.1.0
diff --git a/stack/slapos.cfg b/stack/slapos.cfg
index 0bd49b7db0d3b56430886b9f834794c54b5c215f..f02dc2673726631de00b45e5b8e375da8dd2a613 100644
--- a/stack/slapos.cfg
+++ b/stack/slapos.cfg
@@ -126,11 +126,11 @@ netaddr = 0.7.18
 pbr = 1.8.1
 plone.recipe.command = 1.1
 prettytable = 0.7.2
-psutil = 4.0.0
+psutil = 4.1.0
 pyOpenSSL = 0.15.1
 pyasn1 = 0.1.9
 pyparsing = 2.1.0
-pytz = 2015.7
+pytz = 2016.1
 requests = 2.9.1
 setuptools = 19.6.2
 simplejson = 3.8.2
@@ -154,7 +154,7 @@ Flask = 0.10.1
 MarkupSafe = 0.23
 
 # Required by:
-# cryptography==1.2.2
+# cryptography==1.2.3
 enum34 = 1.1.2
 
 # Required by:
@@ -162,7 +162,7 @@ enum34 = 1.1.2
 functools32 = 3.2.3.post2
 
 # Required by:
-# cryptography==1.2.2
+# cryptography==1.2.3
 ipaddress = 1.0.16
 
 # Required by:
@@ -183,7 +183,7 @@ pycparser = 2.14
 
 # Required by:
 # slapos.core==1.3.15
-supervisor = 3.2.1
+supervisor = 3.2.2
 
 # Required by:
 # slapos.core==1.3.15