Enable nice updates.

metalua-compiler-0.7.3-1.rockspec

diff --git a/metalua-compiler-0.7.3-1.rockspec b/metalua-compiler-0.7.3-1.rockspec
index f565e9c..ce0c4d4 100644
--- a/metalua-compiler-0.7.3-1.rockspec
+++ b/metalua-compiler-0.7.3-1.rockspec
@@ -20,7 +20,7 @@
 dependencies = {
   "lua ~> 5.1",              -- Lua 5.2 bytecode not supported
   "luafilesystem ~> 1.6",    -- Cached compilation based on file timestamps
-  "metalua-parser == 0.7.3", -- AST production
+  "metalua-parser >= 0.7.3", -- AST production
 }
 
 build = {