diff --git a/requirements.txt b/requirements.txt
index 54241cfc..4f6e56b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,12 +13,12 @@ oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.12.0 # Apache-2.0
 oslo.messaging!=2.8.0,!=3.1.0,>2.6.1 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils!=3.1.0,>=2.8.0 # Apache-2.0
+oslo.utils>=3.2.0 # Apache-2.0
 WebOb>=1.2.3
 python-novaclient!=2.33.0,>=2.29.0
 cliff>=1.15.0 # Apache-2.0
 six>=1.9.0
-tooz>=1.19.0 # Apache-2.0
+tooz>=1.28.0 # Apache-2.0
 pymemcache!=1.3.0,>=1.2.9 # Apache 2.0 License
 keystonemiddleware>=4.0.0
 python-keystoneclient!=1.8.0,>=1.6.0