diff --git a/debian/changelog b/debian/changelog
index 8f9ce7f..55804e1 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 python-ceilometermiddleware (0.3.0-3) UNRELEASED; urgency=medium
 
   * d/rules: Changed UPSTREAM_GIT protocol to https
+  * Added python-mock to B-D (Closes: #827688)
 
  -- Ondřej Nový <onovy@debian.org>  Sun, 26 Jun 2016 01:40:37 +0200
 
diff --git a/debian/control b/debian/control
index 75f5088..dc793eb 100644
--- a/debian/control
+++ b/debian/control
@@ -13,6 +13,7 @@ Build-Depends: debhelper (>= 9~),
 Build-Depends-Indep: python-babel (>= 1.3),
                      python-coverage (>= 3.6),
                      python-hacking (>= 0.10.0),
+                     python-mock (>= 1.2),
                      python-oslo.config (>= 1:2.3.0),
                      python-oslo.context (>= 0.2.0),
                      python-oslo.messaging (>= 1.16.0),