diff --git a/requirements.txt b/requirements.txt
index 990cea2a233e..1057288dae09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,6 +59,6 @@ os-win>=2.0.0 # Apache-2.0
 castellan>=0.7.0 # Apache-2.0
 microversion-parse>=0.1.2 # Apache-2.0
 os-xenapi>=0.2.0 # Apache-2.0
-tooz!=1.57.4,>=1.47.0 # Apache-2.0
+tooz>=1.47.0 # Apache-2.0
 cursive>=0.1.2 # Apache-2.0
 pypowervm>=1.1.4 # Apache-2.0