diff -Nru hkl-4.99.99.1955/debian/changelog hkl-4.99.99.1955/debian/changelog
--- hkl-4.99.99.1955/debian/changelog	2016-01-18 12:13:49.000000000 +0000
+++ hkl-4.99.99.1955/debian/changelog	2016-02-03 15:13:08.000000000 +0000
@@ -1,8 +1,21 @@
+hkl (4.99.99.1955-2) unstable; urgency=medium
+
+  [ Andreas Beckmann ]
+  * actually close the gsl-2 bug
+
+  [ Picca Frédéric-Emmanuel ]
+  * debian/control
+    - Modify the Build-Depends in order to make the package backportable.
+    - ligsl-dev -> libgsl-dev | libgsl0-dev
+
+ -- Picca Frédéric-Emmanuel <picca@debian.org>  Wed, 03 Feb 2016 16:09:02 +0100
+
 hkl (4.99.99.1955-1.1) unstable; urgency=medium
 
   [ Bas Couwenberg ]
   * Non-maintainer upload.
   * Update build dependencies for GSL 2, change libgsl0-dev to libgsl-dev.
+    (Closes: #807206)
 
  -- Andreas Beckmann <anbe@debian.org>  Mon, 18 Jan 2016 13:13:12 +0100
 
diff -Nru hkl-4.99.99.1955/debian/control hkl-4.99.99.1955/debian/control
--- hkl-4.99.99.1955/debian/control	2016-01-18 12:13:49.000000000 +0000
+++ hkl-4.99.99.1955/debian/control	2016-02-03 15:21:29.000000000 +0000
@@ -12,7 +12,7 @@
                libg3d-dev,
                libg3d-plugins,
                libgirepository1.0-dev,
-               libgsl-dev,
+               libgsl-dev | libgsl0-dev,
                libgtk2.0-dev,
                libgtkglext1-dev,
                libyaml-dev,
@@ -63,7 +63,7 @@
 Depends: ${misc:Depends},
          gir1.2-hkl-5.0 (= ${binary:Version}),
          install-info,
-         libgsl-dev,
+         libgsl-dev | libgsl0-dev,
          libhkl5 (= ${binary:Version})
 Pre-Depends: ${misc:Pre-Depends}
 Description: diffractometer computation control library - development files