diff --git a/Library/Compiler.php b/Library/Compiler.php
index 6ca4ee9540..31ff05acd9 100755
--- a/Library/Compiler.php
+++ b/Library/Compiler.php
@@ -30,7 +30,7 @@
  */
 class Compiler
 {
-    const VERSION = '0.4.6a';
+    const VERSION = '0.5.0a';
 
     /**
      * @var CompilerFile[]