diff --git a/debian/control b/debian/control
index 857c2d0e62834db78608353c0d24b4624addf23a..038d9bb72ad0976ea7037345b1064e39feddc7ce 100644
--- a/debian/control
+++ b/debian/control
@@ -10,6 +10,9 @@ Build-Depends: debhelper (>= 9)
              , python-zbar
              , python-zbarpygtk
              , python-docutils
+             , gnupg
+             , gnupg-agent
+             , dirmngr
 Standards-Version: 3.9.6
 Homepage: http://web.monkeysphere.info/monkeysign
 Vcs-Browser: https://0xACAB.org/monkeysphere/monkeysign