diff --git a/requirements.txt b/requirements.txt
index d933200..f4b20c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pbr<2.0,>=1.3
+pbr<2.0,>=1.4
 
 fixtures>=1.3.1