diff -Nru ben-0.8.2ubuntu3/debian/changelog ben-0.8.2ubuntu4/debian/changelog
--- ben-0.8.2ubuntu3/debian/changelog	2019-01-17 12:39:06.000000000 +0000
+++ ben-0.8.2ubuntu4/debian/changelog	2019-01-30 16:25:33.000000000 +0000
@@ -1,3 +1,9 @@
+ben (0.8.2ubuntu4) disco; urgency=medium
+
+  * Rebuild against new ocam ABIs.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Wed, 30 Jan 2019 17:25:33 +0100
+
 ben (0.8.2ubuntu3) disco; urgency=medium
 
   * No-change rebuild against libocamlgraph-ocaml-dev-jhl56