diff --git a/debian/changelog b/debian/changelog
index d00a383..af6cf08 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,8 @@
 cacert-boardvoting (0.6.0-2) UNRELEASED; urgency=medium
 
   * Add missing license reference
+  * update for Debian buster
+  * update to debhelper 12
 
  -- Jan Dittberner <jandd@cacert.org>  Mon, 12 Aug 2019 19:57:13 +0200
 
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index f599e28..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-10
diff --git a/debian/control b/debian/control
index 458c034..6d5492a 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,8 @@ Section: misc
 Priority: optional
 Maintainer: Jan Dittberner <jandd@cacert.org>
 Build-Depends: ca-certificates,
-               debhelper (>= 10),
+               debhelper (>= 12),
+               debhelper-compat (=12),
                git,
                golang-go (>= 2:1.11~1~),
                libsqlite3-0