diff --git a/debian/control b/debian/control
index 5c13a9d..f2be840 100644
--- a/debian/control
+++ b/debian/control
@@ -13,7 +13,10 @@ Build-Depends:
   postgresql-all (>= 217~),
   sqitch,
   pgtap,
-  postgresql-13-pgtap
+  postgresql-13-pg-libphonenumber,
+  postgresql-13-pgtap,
+  postgresql-13-pguri,
+  postgresql-13-vat
 Standards-Version: 4.6.0
 XS-Go-Import-Path: dev.tandem.ws/tandem/numerus
 Vcs-Browser: https://dev.tandem.ws/tandem/numerus
@@ -47,6 +50,9 @@ Package: numerus-sqitch
 Architecture: all
 Depends:
   ${misc:Depends},
+  postgresql-13-pg-libphonenumber,
+  postgresql-13-pguri,
+  postgresql-13-vat,
   sqitch
 Description: Simple invoicing and accounting web application
  A simple web application to keep invoice and accouting records, intended for