Index: config.mk
===================================================================
--- config.mk	(revision 222)
+++ config.mk	(revision 223)
@@ -25,6 +25,7 @@
 CORE_REQUIRED +=		DateTime-Format-Pg
 CORE_REQUIRED +=		Cache-Memcached
 CORE_REQUIRED +=		Data-Recursive-Encode
+CORE_REQUIRED +=		JSON-XS
 CORE_REQUIRED +=		cronolog
 CORE_REQUIRED +=		clogger
 CORE_REQUIRED +=		HTML-Parser