diff --git a/debian/changelog b/debian/changelog
index 40127e1..f7db999 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@ trader (7.19-1) unstable; urgency=medium
 
   * New upstream release: new Polish, Romanian and Ukrainian translations,
     renamed AppStream metainfo and desktop files.
+  * Require at least Gettext 0.21 and Automake 1.16 for building.
   * Updated to Debian Policy 4.6.2 (no changes).
 
  -- John Zaitseff <J.Zaitseff@zap.org.au>  Sun, 07 Jan 2024 11:30:24 +1100
diff --git a/debian/control b/debian/control
index d4244ef..2ccca83 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@ Source: trader
 Section: games
 Priority: optional
 Maintainer: John Zaitseff <J.Zaitseff@zap.org.au>
-Build-Depends: debhelper-compat (= 13), autoconf (>= 2.71), automake (>= 1.15), autopoint, pkgconf, libncurses-dev, gettext (>= 0.20), gperf
+Build-Depends: debhelper-compat (= 13), autoconf (>= 2.71), automake (>= 1.16), autopoint, pkgconf, libncurses-dev, gettext (>= 0.21), gperf
 Standards-Version: 4.6.2
 Homepage: https://www.zap.org.au/projects/trader/
 Vcs-Git: git://git.zap.org.au/data/git/trader.git -b with-debian