diff -Nru ocaml-graphics-5.1.0/debian/changelog ocaml-graphics-5.1.0/debian/changelog
--- ocaml-graphics-5.1.0/debian/changelog	2020-10-13 08:19:18.000000000 +0000
+++ ocaml-graphics-5.1.0/debian/changelog	2021-03-19 08:32:34.000000000 +0000
@@ -1,3 +1,9 @@
+ocaml-graphics (5.1.0-3) unstable; urgency=medium
+
+  * Add Breaks+Replaces: libfindlib-ocaml (<< 1.8.1-2~) (Closes: #985108)
+
+ -- Stéphane Glondu <glondu@debian.org>  Fri, 19 Mar 2021 09:32:34 +0100
+
 ocaml-graphics (5.1.0-2) unstable; urgency=medium
 
   * Upload to unstable
diff -Nru ocaml-graphics-5.1.0/debian/control ocaml-graphics-5.1.0/debian/control
--- ocaml-graphics-5.1.0/debian/control	2020-10-13 08:19:18.000000000 +0000
+++ ocaml-graphics-5.1.0/debian/control	2021-03-19 08:32:34.000000000 +0000
@@ -39,6 +39,8 @@
  ${ocaml:Depends},
  ${shlibs:Depends},
  ${misc:Depends}
+Breaks: libfindlib-ocaml (<< 1.8.1-2~)
+Replaces: libfindlib-ocaml (<< 1.8.1-2~)
 Description: OCaml graphics library (runtime)
  The graphics library provides a set of portable drawing
  primitives. Drawing takes place in a separate window that is created