diff --git a/requirements.txt b/requirements.txt
index 4f01d0b1ec..8fb30b01f4 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
 Babel>=2.3.4 # BSD
 croniter>=0.3.4 # MIT License
 cryptography!=1.3.0,>=1.0 # BSD/Apache-2.0