diff --git a/compile-js-rel.hxml b/compile-js-rel.hxml
index 49a4cfa0..c54077da 100644
--- a/compile-js-rel.hxml
+++ b/compile-js-rel.hxml
@@ -1,4 +1,6 @@
 -cp src
+-lib colyseus-websocket
+-lib datachannel
 -lib heaps
 -lib stb_ogg_sound
 -lib zip