diff --git a/Gemfile.lock b/Gemfile.lock
index 0740491f..e74cc65e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ PATH
   remote: .
   specs:
     rubyx (0.6.0)
-      parser (~> 2.3.0)
+      parser (~> 2.4.0)
       rx-file (~> 0.3)
 
 GEM
@@ -60,8 +60,8 @@ GEM
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    parser (2.3.3.1)
-      ast (~> 2.2)
+    parser (2.4.0.2)
+      ast (~> 2.3)
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
diff --git a/stash/fragments/collector.rb b/bin/collector.rb
similarity index 82%
rename from stash/fragments/collector.rb
rename to bin/collector.rb
index 9c163cc9..699a5f97 100644
--- a/stash/fragments/collector.rb
+++ b/bin/collector.rb
@@ -1,12 +1,24 @@
-require "risc/interpreter"
-require "parser/ruby22"
+require 'rubygems'
+require 'bundler'
+Bundler.setup(:default, :test)
+
+require "rubyx"
+require "parser/current"
 require "yaml"
 
 # An experiment to find out how much ruby there is to achieve bootstrap
 #
-# currently (jan/2017) just under 150 classes, 1.5k methods , 10k sends, only 10 yields
-# 1 retry and redo (to be avoided), 4 ensure , 5 rescue
-#
+# currently (feb/2019) just over
+# 173 classes
+# 1.8k methods
+# 13k sends
+# 13 yields (250 blocks)
+# 1 redo (to be avoided)
+# 4 ensure
+# 6 rescue
+# 38 singleton classes (not in rubyx)
+# 14 evals (different versions , and all problematic)
+# and a whole list of every other possible ruby feature
 class Walker < AST::Processor
   def initialize collector
     @collector = collector
@@ -47,7 +59,7 @@ end
 class Collector
 
   def initialize
-    @parser = Parser::Ruby22
+    @parser = Parser::CurrentRuby
     @paths = Bundler.load.specs.collect { |s| s.gem_dir + "/lib/" }
     @class_defs = []
     @const_uses = Hash.new(0)
@@ -89,7 +101,7 @@ class Collector
   def print
     @class_defs.uniq!
     @files.uniq!
-    puts "Types #{@types.to_yaml}"
+    puts "Types #{@types.sort.to_h.to_yaml}"
     puts "Class defs #{@class_defs.length}"
     puts "Class defs #{@class_defs}"
     puts "evals=#{@evals.length} #{@evals.uniq}"
diff --git a/rubyx.gemspec b/rubyx.gemspec
index 3c7a9088..e8213b13 100644
--- a/rubyx.gemspec
+++ b/rubyx.gemspec
@@ -13,6 +13,6 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
   s.summary = 'RubyX is a native object vm without any c, one day possibly a ruby vm'
 
-  s.add_dependency "parser" , "~> 2.3.0"
+  s.add_dependency "parser" , "~> 2.4.0"
   s.add_dependency "rx-file" , "~> 0.3"
 end