diff --git a/requirements.txt b/requirements.txt
index c71dc488a..7de827210 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,4 +44,4 @@ oslo.versionedobjects>=1.17.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 psutil>=3.2.2 # BSD
 futurist!=0.15.0,>=0.11.0 # Apache-2.0
-tooz!=1.57.4,>=1.47.0 # Apache-2.0
+tooz>=1.47.0 # Apache-2.0