diff --git a/openstack_requirements/tests/files/upper-constraints.txt b/openstack_requirements/tests/files/upper-constraints.txt
index ef2c32849..c07b496ac 100644
--- a/openstack_requirements/tests/files/upper-constraints.txt
+++ b/openstack_requirements/tests/files/upper-constraints.txt
@@ -76,7 +76,7 @@ ply===3.10
 simplejson===3.10.0
 suds-jurko===0.6
 python-swiftclient===3.3.0
-pyOpenSSL===16.2.0
+pyOpenSSL===26.0.0
 monasca-common===1.5.0
 hyperframe===4.0.2;python_version=='3.4'
 hyperframe===4.0.2;python_version=='3.5'