[SEBA-494] Better handling of version numbers

Change-Id: If3a7d9c6e34dc8a9a077144d5a3eb9e6b0630460
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index 6e326dc..83df7fd 100644
--- a/containers/chameleon/Dockerfile.chameleon
+++ b/containers/chameleon/Dockerfile.chameleon
@@ -14,7 +14,7 @@
 
 # xosproject/chameleon
 
-FROM xosproject/xos-base:2.2.0
+FROM xosproject/xos-base:2.2.1
 
 # xos-base already has protoc and dependencies installed