diff --git a/PKG-INFO b/PKG-INFO
index 9025937..af85e07 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,30 +1,30 @@
 Metadata-Version: 2.1
 Name: swh.scheduler
-Version: 0.2.0
+Version: 0.2.1
 Summary: Software Heritage Scheduler
 Home-page: https://forge.softwareheritage.org/diffusion/DSCH/
 Author: Software Heritage developers
 Author-email: swh-devel@inria.fr
 License: UNKNOWN
 Project-URL: Bug Reports, https://forge.softwareheritage.org/maniphest
 Project-URL: Funding, https://www.softwareheritage.org/donate
 Project-URL: Source, https://forge.softwareheritage.org/source/swh-scheduler
 Project-URL: Documentation, https://docs.softwareheritage.org/devel/swh-scheduler/
 Description: swh-scheduler
         =============
         
         Job scheduler for the Software Heritage project.
         
         Task manager for asynchronous/delayed tasks, used for both recurrent (e.g.,
         listing a forge, loading new stuff from a Git repository) and one-off
         activities (e.g., loading a specific version of a source package).
         
 Platform: UNKNOWN
 Classifier: Programming Language :: Python :: 3
 Classifier: Intended Audience :: Developers
 Classifier: License :: OSI Approved :: GNU General Public License v3 (GPLv3)
 Classifier: Operating System :: OS Independent
 Classifier: Development Status :: 5 - Production/Stable
 Requires-Python: >=3.7
 Description-Content-Type: text/markdown
 Provides-Extra: testing
diff --git a/requirements.txt b/requirements.txt
index f2c29f5..a622860 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,21 +1,21 @@
 # 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
 
 arrow
 attrs
 attrs-strict
-celery >= 4
+celery >= 4.3
 # Not a direct dependency: missing from celery 4.4.4
 future >= 0.18.0
 Click
 elasticsearch > 5.4
 flask
 pika >= 1.1.0
 psycopg2
 pyyaml
 vcversioner
 setuptools
 
 # test dependencies
 # hypothesis
diff --git a/swh.scheduler.egg-info/PKG-INFO b/swh.scheduler.egg-info/PKG-INFO
index 9025937..af85e07 100644
--- a/swh.scheduler.egg-info/PKG-INFO
+++ b/swh.scheduler.egg-info/PKG-INFO
@@ -1,30 +1,30 @@
 Metadata-Version: 2.1
 Name: swh.scheduler
-Version: 0.2.0
+Version: 0.2.1
 Summary: Software Heritage Scheduler
 Home-page: https://forge.softwareheritage.org/diffusion/DSCH/
 Author: Software Heritage developers
 Author-email: swh-devel@inria.fr
 License: UNKNOWN
 Project-URL: Bug Reports, https://forge.softwareheritage.org/maniphest
 Project-URL: Funding, https://www.softwareheritage.org/donate
 Project-URL: Source, https://forge.softwareheritage.org/source/swh-scheduler
 Project-URL: Documentation, https://docs.softwareheritage.org/devel/swh-scheduler/
 Description: swh-scheduler
         =============
         
         Job scheduler for the Software Heritage project.
         
         Task manager for asynchronous/delayed tasks, used for both recurrent (e.g.,
         listing a forge, loading new stuff from a Git repository) and one-off
         activities (e.g., loading a specific version of a source package).
         
 Platform: UNKNOWN
 Classifier: Programming Language :: Python :: 3
 Classifier: Intended Audience :: Developers
 Classifier: License :: OSI Approved :: GNU General Public License v3 (GPLv3)
 Classifier: Operating System :: OS Independent
 Classifier: Development Status :: 5 - Production/Stable
 Requires-Python: >=3.7
 Description-Content-Type: text/markdown
 Provides-Extra: testing
diff --git a/swh.scheduler.egg-info/requires.txt b/swh.scheduler.egg-info/requires.txt
index 0c3f81b..4079f27 100644
--- a/swh.scheduler.egg-info/requires.txt
+++ b/swh.scheduler.egg-info/requires.txt
@@ -1,23 +1,23 @@
 arrow
 attrs
 attrs-strict
-celery>=4
+celery>=4.3
 future>=0.18.0
 Click
 elasticsearch>5.4
 flask
 pika>=1.1.0
 psycopg2
 pyyaml
 vcversioner
 setuptools
 swh.core[db,http]>=0.0.65
 swh.storage>=0.0.182
 
 [testing]
 pytest
 pytest-mock
 pytest-postgresql>=2.1.0
 celery>=4.3
 hypothesis>=3.11.0
 swh.lister