diff --git a/openstack_requirements/tests/files/upper-constraints.txt b/openstack_requirements/tests/files/upper-constraints.txt
index ef2c32849..82325dd18 100644
--- a/openstack_requirements/tests/files/upper-constraints.txt
+++ b/openstack_requirements/tests/files/upper-constraints.txt
@@ -332,7 +332,7 @@ fortiosclient===0.0.2
 stevedore===1.21.0
 botocore===1.5.24
 xmltodict===0.10.2
-pyasn1===0.2.3
+pyasn1===0.6.3
 python-utils===2.0.1
 oslo.rootwrap===5.5.0
 Django===1.8.17