diff --git a/upper-constraints.txt b/upper-constraints.txt
index 97282415d4..5feca8e91f 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -44,7 +44,7 @@ pbr===3.1.1
 munch===2.2.0
 microversion-parse===0.1.4
 Pint===0.8.1
-oslo.i18n===3.17.0
+oslo.i18n===3.18.0
 jsonpath-rw-ext===1.1.2
 python-mistralclient===3.1.3
 oslo.context===2.18.0