diff -Nru haskell-readargs-1.2.1/debian/changelog haskell-readargs-1.2.1/debian/changelog
--- haskell-readargs-1.2.1/debian/changelog	2013-05-25 09:17:56.000000000 +0000
+++ haskell-readargs-1.2.1/debian/changelog	2013-05-28 21:46:40.000000000 +0000
@@ -1,3 +1,9 @@
+haskell-readargs (1.2.1-2build1) saucy; urgency=low
+
+  * Rebuild for new GHC ABIs.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Tue, 28 May 2013 22:46:40 +0100
+
 haskell-readargs (1.2.1-2) unstable; urgency=low
 
   * Enable compat level 9