diff --git a/upper-constraints.txt b/upper-constraints.txt
index 4fbf2b1e9e..2b2526d7ac 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -483,7 +483,7 @@ smmap2===2.0.3
 greenlet===0.4.13
 xvfbwrapper===0.2.9
 futures===3.2.0;python_version=='2.7'
-tosca-parser===0.9.0
+tosca-parser===1.0.0
 Flask===0.12.2
 happybase===1.1.0;python_version=='2.7'
 marathon===0.9.3