diff --git a/debian/control b/debian/control
index 99136204f7e81fd2b3127a5d45c615de7a576992..5006ca9eaf1d978b253d017f7e89abf6f59ba358 100644
--- a/debian/control
+++ b/debian/control
@@ -7,6 +7,7 @@ Build-Depends:
  dh-python (>= 3),
  python3-all,
  python3-pytest,
+ python3-pytest-mock,
  python3-setuptools,
  python3-setuptools-scm,
  python3-swh.core (>= 0.3),