diff --git a/debian/control b/debian/control
index e12f814..af997da 100644
--- a/debian/control
+++ b/debian/control
@@ -1,31 +1,32 @@
 Source: swh-objstorage
 Maintainer: Software Heritage developers <swh-devel@inria.fr>
 Section: python
 Priority: optional
 Build-Depends: debhelper (>= 9),
                dh-python (>= 2),
+               python3-aiohttp (>= 2.1.0),
                python3-all,
                python3-flask,
                python3-nose,
                python3-setuptools,
                python3-swh.core (>= 0.0.28~),
                python3-swh.model (>= 0.0.14~),
                python3-click,
                python3-libcloud,
                python3-azure-storage,
                python3-vcversioner
 Standards-Version: 3.9.6
 Homepage: https://forge.softwareheritage.org/diffusion/DOBJS/
 
 Package: python3-swh.objstorage
 Architecture: all
-Depends: python3-swh.core (>= 0.0.28~), ${misc:Depends}, ${python3:Depends}
+Depends: python3-swh.core (>= 0.0.28~), ${misc:Depends}, ${python3:Depends}, python3-aiohttp (>= 2.1.0)
 Description: Software Heritage Object Storage
 
 Package: python3-swh.objstorage.cloud
 Architecture: all
 Depends: python3-swh.objstorage (= ${binary:Version}), python3-libcloud, python3-azure-storage,
          ${misc:Depends}, ${python3:Depends}
 Breaks: python3-swh.objstorage (<= 0.0.7~)
 Description: Software Heritage Cloud Object Storage
 
diff --git a/requirements.txt b/requirements.txt
index 38490a9..c156824 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 # 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 server
-aiohttp
+aiohttp >= 2.1.0
 click
 
 # optional dependencies
 # apache-libcloud
 # azure-storage