diff --git a/global-requirements.txt b/global-requirements.txt
index 904ceea977..6174dfc822 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -306,7 +306,9 @@ sympy>=0.7.6  # BSD
 taskflow>=2.7.0  # Apache-2.0
 tempest>=16.1.0  # Apache-2.0
 tempest-lib>=0.14.0  # Apache-2.0
-tooz>=1.47.0 # Apache-2.0
+# NOTE(mriedem): tooz 1.57.4 is suspected of causing locking issues
+# with the etcd3 backend, at least in cinder-volume
+tooz>=1.47.0,!=1.57.4 # Apache-2.0
 tosca-parser>=0.8.1  # Apache-2.0
 tripleo-common>=7.1.0  # Apache-2.0
 urllib3>=1.21.1  # MIT
diff --git a/upper-constraints.txt b/upper-constraints.txt
index f2fc4440c8..71a3ef63d1 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -317,7 +317,7 @@ os-traits===0.3.2
 SecretStorage===2.3.1
 XStatic-Rickshaw===1.5.0.0
 iso8601===0.1.11
-tooz===1.57.4
+tooz===1.57.3
 linecache2===1.0.0
 oauth2client===4.1.2
 idna===2.5