diff --git a/upper-constraints.txt b/upper-constraints.txt
index a81f1e64a4..392a0d5657 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -417,7 +417,7 @@ django-formtools===2.1
 python-ceilometerclient===2.9.0
 XStatic-Spin===1.2.5.2
 tap-as-a-service===3.0.0
-os-traits===1.1.0
+os-traits===2.0.0
 SecretStorage===2.3.1;python_version=='2.7'
 SecretStorage===3.1.1;python_version=='3.4'
 SecretStorage===3.1.1;python_version=='3.5'