diff --git a/debian/changelog b/debian/changelog
index 4a3b203eb..e00317996 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,5 +1,8 @@
-linux (4.2~rc8-1~exp2) UNRELEASED; urgency=medium
+linux (4.2-1~exp1) UNRELEASED; urgency=medium
 
+  * New upstream release: http://kernelnewbies.org/Linux_4.2
+
+  [ Ben Hutchings ]
   * Remove all support for ia64 (Closes: #679545, #691576, #728706)
   * [s390x] Compile with gcc-4.9 (Closes: #796845)
   * linux-source: Depend on xz-utils, not bzip2 (Closes: #796940)
diff --git a/debian/config/defines b/debian/config/defines
index f03709a2c..4c1d14631 100644
--- a/debian/config/defines
+++ b/debian/config/defines
@@ -1,5 +1,5 @@
 [abi]
-abiname: 1
+abiname: trunk
 
 [base]
 arches: