diff --git a/debian/control b/debian/control
index 21d662fa0..b76267564 100644
--- a/debian/control
+++ b/debian/control
@@ -52,6 +52,7 @@ Build-Depends:
  python3-pytest-runner <!nocheck>,
  python3-requests,
  python3-ruamel.yaml,
+ python3-segno,
  python3-setuptools,
  python3-systemd,
  python3-typeshed <!nocheck>,