diff --git a/spine-lua/AttachmentLoader.lua b/spine-lua/AttachmentLoader.lua
index 33b85ed17..a06f31dc8 100644
--- a/spine-lua/AttachmentLoader.lua
+++ b/spine-lua/AttachmentLoader.lua
@@ -30,6 +30,7 @@
 
 local AttachmentType = require "spine-lua.AttachmentType"
 local RegionAttachment = require "spine-lua.RegionAttachment"
+local MeshAttachment = require "spine-lua.MeshAttachment"
 local BoundingBoxAttachment = require "spine-lua.BoundingBoxAttachment"
 
 local AttachmentLoader = {}