diff --git a/Extensions/.gitkeep b/Extensions/.gitkeep
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/Extensions/.gitkeep
@@ -0,0 +1 @@
+
diff --git a/base.cfg b/base.cfg
index ed79f26..6a3dfe5 100755
--- a/base.cfg
+++ b/base.cfg
@@ -56,6 +56,7 @@ additional =
   %define ZEOINSTANCE ${buildout:directory}/parts/zeoserver/var
   %define FILESTORAGE ${buildout:directory}/var/filestorage
   %define BLOBSTORAGE ${buildout:directory}/var/blobstorage
+  extensions ${buildout:directory}/Extensions
   %include ${buildout:directory}/zope_add_zeo.conf
   %include ${buildout:directory}/zope_add_async.conf
 amqp =
diff --git a/versions.cfg b/versions.cfg
index d7998c4..a9a1a34 100644
--- a/versions.cfg
+++ b/versions.cfg
@@ -5,7 +5,7 @@ pip = 20.3.4
 Products.DocFinderTab = 1.0.5
 mr.developer = 2.0.2
 
-Products.PloneMeeting = 4.2.19
+Products.PloneMeeting = 4.2.20
 
 # profile specific versions
 Products.MeetingCommunes = 4.2.12
@@ -20,7 +20,7 @@ collective.behavior.talcondition = 1.0a1
 collective.ckeditor = 4.10.1
 collective.compoundcriterion = 0.7
 collective.contact.core = 1.43.1
-collective.contact.plonegroup = 1.52
+collective.contact.plonegroup = 1.53
 collective.contact.widget = 1.13
 collective.dexteritytextindexer = 2.2.1
 collective.documentgenerator = 3.44
@@ -49,7 +49,7 @@ imio.fpaudit = 0.1.2
 imio.helpers = 1.2.2
 imio.history = 1.36
 imio.migrator = 1.34
-imio.pm.locales = 4.2.24
+imio.pm.locales = 4.2.25
 imio.prettylink = 1.22
 imio.pyutils = 1.1.2
 imio.webspellchecker = 1.0b7
@@ -239,7 +239,7 @@ functools32 = 3.2.3.post2
 
 # plonemeeting.restapi
 imio.restapi = 1.0rc2
-plonemeeting.restapi = 2.8
+plonemeeting.restapi = 2.9
 plone.restapi = 7.8.2
 PyJWT = 1.7.1
 plone.schema = 1.2.1