diff -Nru bzr-2.7.0/debian/changelog bzr-2.7.0/debian/changelog
--- bzr-2.7.0/debian/changelog	2016-04-21 12:14:31.000000000 +0000
+++ bzr-2.7.0/debian/changelog	2016-05-15 18:32:21.000000000 +0000
@@ -1,3 +1,10 @@
+bzr (2.7.0-6) unstable; urgency=low
+
+  * Set PYTHONHASHSEED to 0 when building sphinx docs, to force
+    reproducible build.
+
+ -- Jelmer Vernooij <jelmer@debian.org>  Sun, 15 May 2016 18:31:28 +0000
+
 bzr (2.7.0-5) unstable; urgency=medium
 
   * Enable PGP checking of upstream tarball.
diff -Nru bzr-2.7.0/debian/rules bzr-2.7.0/debian/rules
--- bzr-2.7.0/debian/rules	2016-02-20 23:43:42.000000000 +0000
+++ bzr-2.7.0/debian/rules	2016-05-15 18:29:51.000000000 +0000
@@ -70,7 +70,7 @@
 
 override_dh_auto_build:
 	dh_auto_build
-	$(MAKE) docs-sphinx
+	PYTHONHASHSEED=0 $(MAKE) docs-sphinx
 
 override_dh_compress:
 	dh_compress -X.xvg -X.pdf