diff --git a/Cargo.toml b/Cargo.toml
index f20cc9c..1246a80 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,8 @@ once_cell = "1"
 [package.metadata.deb]
 maintainer = "finga <finga@onders.org>"
 copyright = "finga <finga@onders.org>"
-extended-description = "Remind me of something."
+extended-description = "Send an email as a reminder of something."
+depends = "$auto, postgresql"
 section = "utility"
 maintainer-scripts = "debian/"
 systemd-units = { enable = false }