diff --git a/vespa/configuration/services.py b/vespa/configuration/services.py
index 115d399c..59142f75 100644
--- a/vespa/configuration/services.py
+++ b/vespa/configuration/services.py
@@ -154,6 +154,8 @@
     "maxsize",
     "clients",
     "client",
+    "certificate",
+    "token",
 ]
 
 # Fail if any tag is duplicated. Provide feedback of which tags are duplicated.