diff --git a/requirements_dev.txt b/requirements_dev.txt
index 50c3a3a..7db7768 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -17,7 +17,7 @@ MarkupSafe==1.0
 mccabe==0.6.1
 mock==2.0.0
 pathtools==0.1.2
-pbr==4.2.0
+pbr==4.3.0
 pluggy==0.7.1
 py==1.6.0
 pycodestyle==2.4.0