diff --git a/src/emitter.js b/src/emitter.js
index 64895d5..64a5711 100644
--- a/src/emitter.js
+++ b/src/emitter.js
@@ -109,7 +109,7 @@ PEG.compiler.emitter = function(ast) {
 
       return formatCode(
         "(function(){",
-        "  /* Generated by PEG.js (http://pegjs.majda.cz/). */",
+        "  /* Generated by PEG.js @VERSION (http://pegjs.majda.cz/). */",
         "  ",
         "  var result = {",
         "    /*",
diff --git a/src/parser.js b/src/parser.js
index 71be1dd..1152176 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -1,5 +1,5 @@
 PEG.parser = (function(){
-  /* Generated by PEG.js (http://pegjs.majda.cz/). */
+  /* Generated by PEG.js 0.6.0pre (http://pegjs.majda.cz/). */
   
   var result = {
     /*