diff --git a/requirements.txt b/requirements.txt
index effc69c..2d53883 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=1.6 # Apache-2.0
+pbr>=1.8 # Apache-2.0
 six>=1.9.0 # MIT
 monotonic>=0.6 # Apache-2.0
 futures>=3.0;python_version=='2.7' or python_version=='2.6' # BSD