diff -u rkward-0.5.7/debian/changelog rkward-0.5.7/debian/changelog
--- rkward-0.5.7/debian/changelog
+++ rkward-0.5.7/debian/changelog
@@ -1,3 +1,9 @@
+rkward (0.5.7-2build1) precise; urgency=low
+
+  * No changes. Rebuild against r-base-core.
+
+ -- Leo Iannacone <l3on@ubuntu.com>  Mon, 23 Jan 2012 10:16:39 +0100
+
 rkward (0.5.7-2) unstable; urgency=low
 
   * new upload to force rebuild against R 2.14.0~x on i386