diff --git a/requirements.txt b/requirements.txt
index 9c6f76a..500a9d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 cliff>=1.14.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0
-oslo.utils!=2.6.0,>=2.4.0 # Apache-2.0
+oslo.utils>=2.8.0 # Apache-2.0
 pbr>=1.6
 python-keystoneclient!=1.8.0,>=1.6.0
 requests!=2.8.0,>=2.5.2
diff --git a/test-requirements.txt b/test-requirements.txt
index ae8c5c1..2fd62cc 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,5 +11,5 @@ python-subunit>=0.0.18
 requests-mock>=0.6.0 # Apache-2.0
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 testrepository>=0.0.18
-oslosphinx>=2.5.0 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 tempest-lib>=0.10.0