diff --git a/debian/control b/debian/control
index c66894e..63fed3e 100644
--- a/debian/control
+++ b/debian/control
@@ -1,36 +1,37 @@
 Source: swh-core
 Maintainer: Software Heritage developers <swh-devel@inria.fr>
 Section: python
 Priority: optional
 Build-Depends: debhelper (>= 9),
                dh-python (>= 2),
                lzip,
                python3-all,
                python3-aiohttp,
                python3-aiohttp-utils,
                python3-arrow,
                python3-dateutil,
                python3-decorator,
                python3-deprecated,
                python3-flask,
                python3-iso8601,
                python3-msgpack (>= 0.5~),
                python3-pytest,
                python3-pytest-mock,
                python3-tz,
                python3-psycopg2,
+               python3-typing-extensions,
                python3-requests,
                python3-requests-mock,
                python3-sentry-sdk,
                python3-setuptools,
                python3-systemd,
                python3-vcversioner,
                python3-yaml,
                python3-hypothesis (>= 3.11.0~)
 Standards-Version: 3.9.6
 Homepage: https://forge.softwareheritage.org/diffusion/DCORE/
 
 Package: python3-swh.core
 Architecture: all
 Depends: ${misc:Depends}, ${python3:Depends}, python3-systemd
 Description: Software Heritage core utilities