diff --git a/poetry.lock b/poetry.lock
index 763033e..55598ac 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -476,7 +476,7 @@ python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
 [[package]]
 name = "pbr"
-version = "5.8.1"
+version = "5.9.0"
 description = "Python Build Reasonableness"
 category = "dev"
 optional = false
@@ -1088,8 +1088,8 @@ pathspec = [
     {file = "pathspec-0.9.0.tar.gz", hash = "sha256:e564499435a2673d586f6b2130bb5b95f04a3ba06f81b8f895b651a3c76aabb1"},
 ]
 pbr = [
-    {file = "pbr-5.8.1-py2.py3-none-any.whl", hash = "sha256:27108648368782d07bbf1cb468ad2e2eeef29086affd14087a6d04b7de8af4ec"},
-    {file = "pbr-5.8.1.tar.gz", hash = "sha256:66bc5a34912f408bb3925bf21231cb6f59206267b7f63f3503ef865c1a292e25"},
+    {file = "pbr-5.9.0-py2.py3-none-any.whl", hash = "sha256:e547125940bcc052856ded43be8e101f63828c2d94239ffbe2b327ba3d5ccf0a"},
+    {file = "pbr-5.9.0.tar.gz", hash = "sha256:e8dca2f4b43560edef58813969f52a56cef023146cbb8931626db80e6c1c4308"},
 ]
 pep8-naming = [
     {file = "pep8-naming-0.12.1.tar.gz", hash = "sha256:bb2455947757d162aa4cad55dba4ce029005cd1692f2899a21d51d8630ca7841"},