diff --git a/requirements.txt b/requirements.txt
index 3d33b10..23d22ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ oslo.serialization>=1.10.0 # Apache-2.0
 psutil<2.0.0,>=1.1.1
 six>=1.9.0
 oslo.i18n>=1.5.0 # Apache-2.0
-oslo.utils!=2.6.0,>=2.4.0 # Apache-2.0
+oslo.utils>=2.8.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 427e509..06202a4 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,11 +6,11 @@ hacking<0.11,>=0.10.0
 oslotest>=1.10.0 # Apache-2.0
 
 # These are needed for docs generation
-oslosphinx>=2.5.0 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 
 # for testing optional parts
-oslo.config>=2.6.0 # Apache-2.0
+oslo.config>=2.7.0 # Apache-2.0
 eventlet>=0.17.4
 greenlet>=0.3.2