debian/changelog

-ffindex (0.9.9.8-1) UNRELEASED; urgency=medium
+ffindex (0.9.9.8-1) unstable; urgency=medium
 
   * Revert again to original code which now added the interface for
     hhsuite
     Closes: #907624
+  * debhelper 12
 
- -- Andreas Tille <tille@debian.org>  Fri, 11 Jan 2019 11:26:50 +0100
+ -- Andreas Tille <tille@debian.org>  Fri, 11 Jan 2019 13:40:22 +0100
 
 ffindex (0.9.9.7.soedinglab+git20171201.74550c8-1) unstable; urgency=medium
 

debian/compat

-11
+12

debian/control

@@ -4,7 +4,7 @@ Uploaders: Laszlo Kajan <lkajan@debian.org>,
            Andreas Tille <tille@debian.org>
 Section: science
 Priority: optional
-Build-Depends: debhelper (>= 11~),
+Build-Depends: debhelper (>= 12~),
                help2man,
                libopenmpi-dev,
                openmpi-bin,