diff --git a/global-requirements.txt b/global-requirements.txt
index 21ec5fff97..a00f2bf155 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -183,7 +183,7 @@ sysv_ipc>=0.6.8  # BSD License
 suds-jurko>=0.6
 taskflow>=0.11.0
 tempest-lib>=0.6.1
-tooz>=0.13.1 # Apache-2.0
+tooz>=0.16.0 # Apache-2.0
 tripleo-image-elements
 urllib3>=1.8.3
 warlock>=1.0.1,<2