SEBA-324 Automatic offsetting of reverse ids

Change-Id: I1bb0bfb245656b36a466f1550093d896043586f4
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index c844f73..a6f38b6 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:2.1.20
+FROM xosproject/xos-base:2.1.21
 
 # xos-base already has protoc and dependencies installed