diff --git a/requirements.txt b/requirements.txt
index f919bfc..e88e357 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,6 +20,6 @@ oslo.reports>=0.6.0 # Apache-2.0
 oslo.rootwrap>=5.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
-oslo.utils>=3.17.0 # Apache-2.0
+oslo.utils>=3.18.0 # Apache-2.0
 keystonemiddleware!=4.5.0,>=4.2.0 # Apache-2.0
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
diff --git a/test-requirements.txt b/test-requirements.txt
index f0b623f..c8fe7b0 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,4 +14,4 @@ testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 
 # Release note documentation
-reno>=1.8.0 # Apache2
+reno>=1.8.0 # Apache-2.0