diff --git a/tox.ini b/tox.ini
index 2818a6b23..4dff55aa3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -169,7 +169,7 @@ deps =
     intervaltree==2.1.0
     mccabe==0.4.0
     packaging==16.7
-    pbr==1.9.1
+    pbr==1.10.0
     # still needed by flake8-docstrings but ignored
     pep257==0.7.0
     pep8==1.7.0