diff --git a/debian/control b/debian/control
index 9d8bd062322b932a19ffee58215a22cef7224944..f8a9411acda4b418affa87d3bfad55e40673cc21 100644
--- a/debian/control
+++ b/debian/control
@@ -9,6 +9,7 @@ Build-Depends: debhelper (>= 9),
                python3-attr,
                python3-attr-strict,
                python3-click,
+               python3-datetuil,
                python3-deprecated,
                python3-dulwich,
                python3-iso8601,
@@ -16,6 +17,7 @@ Build-Depends: debhelper (>= 9),
                python3-pytest,
                python3-setuptools,
                python3-setuptools-scm,
+               python3-swh.core,
                python3-typing-extensions,
                python3-tz
 Standards-Version: 3.9.6