diff --git a/requirements.txt b/requirements.txt
index 50eaf40b3..dfe567790 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,5 +58,5 @@ SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
 stevedore>=1.20.0 # Apache-2.0
 WSME>=0.8 # MIT
 yaql>=1.1.0 # Apache 2.0 License
-tooz!=1.57.4,>=1.47.0 # Apache-2.0
+tooz>=1.47.0 # Apache-2.0
 zake>=0.1.6 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index d3fc718bb..38c3cac22 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -25,7 +25,7 @@ sphinx>=1.6.2 # BSD
 sphinxcontrib-httpdomain # BSD
 sphinxcontrib-pecanwsme>=0.8 # Apache-2.0
 openstackdocstheme>=1.11.0 # Apache-2.0
-tooz!=1.57.4,>=1.47.0 # Apache-2.0
+tooz>=1.47.0 # Apache-2.0
 tempest>=16.1.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT