diff --git a/requirements.txt b/requirements.txt
index de99d23..ef7bf44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,8 +4,8 @@
 cliff>=2.2.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 osc-lib>=1.2.0 # Apache-2.0
-oslo.utils>=3.17.0 # Apache-2.0
-pbr>=1.6 # Apache-2.0
+oslo.utils>=3.18.0 # Apache-2.0
+pbr>=1.8 # Apache-2.0
 keystoneauth1>=2.14.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT