diff --git a/PKG-INFO b/PKG-INFO
index b3061ff..60ab70c 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,10 +1,10 @@
 Metadata-Version: 1.0
 Name: swh.objstorage
-Version: 0.0.11
+Version: 0.0.12
 Summary: Software Heritage Object Storage
 Home-page: https://forge.softwareheritage.org/diffusion/DOBJS
 Author: Software Heritage developers
 Author-email: swh-devel@inria.fr
 License: UNKNOWN
 Description: UNKNOWN
 Platform: UNKNOWN
diff --git a/requirements.txt b/requirements.txt
index 445c20b..a7f611f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,18 +1,19 @@
 # Add here external Python modules dependencies, one per line. Module names
 # should match https://pypi.python.org/pypi names. For the full spec or
 # dependency lines, see https://pip.readthedocs.org/en/1.1/requirements.html
 vcversioner
 
 # remote storage API client
 requests
 
 # remote storage API server
 flask
 
 # Internal dependencies
 swh.core >= 0.0.20
 swh.storage.archiver >= 0.0.52
 click
 
-apache-libcloud
-azure-storage
+# optional dependencies
+# apache-libcloud
+# azure-storage
diff --git a/swh.objstorage.egg-info/PKG-INFO b/swh.objstorage.egg-info/PKG-INFO
index b3061ff..60ab70c 100644
--- a/swh.objstorage.egg-info/PKG-INFO
+++ b/swh.objstorage.egg-info/PKG-INFO
@@ -1,10 +1,10 @@
 Metadata-Version: 1.0
 Name: swh.objstorage
-Version: 0.0.11
+Version: 0.0.12
 Summary: Software Heritage Object Storage
 Home-page: https://forge.softwareheritage.org/diffusion/DOBJS
 Author: Software Heritage developers
 Author-email: swh-devel@inria.fr
 License: UNKNOWN
 Description: UNKNOWN
 Platform: UNKNOWN
diff --git a/swh.objstorage.egg-info/requires.txt b/swh.objstorage.egg-info/requires.txt
index 1dfaca2..921badb 100644
--- a/swh.objstorage.egg-info/requires.txt
+++ b/swh.objstorage.egg-info/requires.txt
@@ -1,8 +1,6 @@
-apache-libcloud
-azure-storage
 click
 flask
 requests
 swh.core>=0.0.20
 swh.storage.archiver>=0.0.52
 vcversioner
diff --git a/version.txt b/version.txt
index d800817..93bb0e4 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-v0.0.11-0-g92f67a9
\ No newline at end of file
+v0.0.12-0-g0bfc6b7
\ No newline at end of file