diff --git a/xos-core/values.yaml b/xos-core/values.yaml
index 6cdb1b2..0bcc350 100644
--- a/xos-core/values.yaml
+++ b/xos-core/values.yaml
@@ -31,7 +31,7 @@
 
   xos_tosca:
     repository: 'xosproject/xos-tosca'
-    tag: '1.1.3'
+    tag: '1.1.5'
     pullPolicy: 'Always'
 
   xos_api_tester: