diff --git a/pretty.lua b/pretty.lua
index ccb6706..2b98185 100644
--- a/pretty.lua
+++ b/pretty.lua
@@ -192,6 +192,8 @@ unjustified, abandoning it's eye-guiding attributes.
 8.  Special cases: (Array-tree, Table-Tree, Linked-List, Predictive Sequences) TODO
 --]]
 
+local _VERSION = '0.5.5'
+
 --------------------------------------------------------------------------------
 -- Import files