diff --git a/debian/control b/debian/control
index caf5b2951..4ba7e337d 100644
--- a/debian/control
+++ b/debian/control
@@ -145,6 +145,8 @@ Recommends:
  openssh-client,
 # Priority: standard
  pciutils,
+# Used by unattended-upgrades to check if running on AC power
+ powermgmt-base,
 # fuser, pstree and other utilities
  psmisc,
 # Optional FreedomBox dependency