SEBA-382 deleted_objects support in orm

Change-Id: Id012c627d59f18e95bd9acb5b7c7d55e74686694
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index 8f27a20..4d8b8c2 100644
--- a/containers/chameleon/Dockerfile.chameleon
+++ b/containers/chameleon/Dockerfile.chameleon
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/chameleon
-FROM xosproject/xos-base:2.1.25
+FROM xosproject/xos-base:2.1.26
 
 # xos-base already has protoc and dependencies installed