diff --git a/debian/changelog b/debian/changelog
index a6109cfd..93cbf766 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+ostree (2018.5-2) UNRELEASED; urgency=medium
+
+  * Switch to experimental branch
+
+ -- Simon McVittie <smcv@debian.org>  Fri, 08 Jun 2018 09:10:21 +0100
+
 ostree (2018.5-1) unstable; urgency=medium
 
   * New upstream release
diff --git a/debian/control b/debian/control
index fdd7df90..eabf90fb 100644
--- a/debian/control
+++ b/debian/control
@@ -46,7 +46,7 @@ Build-Depends-Indep:
 Rules-Requires-Root: no
 Standards-Version: 4.1.4
 Homepage: https://github.com/ostreedev/ostree/
-Vcs-Git: https://salsa.debian.org/debian/ostree.git
+Vcs-Git: https://salsa.debian.org/debian/ostree.git -b debian/experimental
 Vcs-Browser: https://salsa.debian.org/debian/ostree
 
 Package: gir1.2-ostree-1.0
diff --git a/debian/gbp.conf b/debian/gbp.conf
index 2bda9c8b..eda2cdd2 100644
--- a/debian/gbp.conf
+++ b/debian/gbp.conf
@@ -1,7 +1,7 @@
 [DEFAULT]
 pristine-tar = True
 compression = xz
-debian-branch = debian/master
+debian-branch = debian/experimental
 upstream-branch = upstream/latest
 patch-numbers = False
 upstream-vcs-tag = v%(version)s