diff -r d665fea54da1 -r f636fecae304 virtualenv/res/lib/lib_create_env.py
--- a/virtualenv/res/lib/lib_create_env.py	Wed Apr 23 17:16:26 2014 +0200
+++ b/virtualenv/res/lib/lib_create_env.py	Wed Apr 23 17:57:49 2014 +0200
@@ -48,7 +48,7 @@
     'DEFUSEDXML' : {'setup':'defusedxml', 'url':'https://pypi.python.org/packages/source/d/defusedxml/defusedxml-0.4.1.tar.gz', 'local': 'defusedxml-0.4.1.tar.gz', 'install' : {'method':'pip', 'option_str': None, 'dict_extra_env': None}},
     'DJANGO-TASTYPIE' : {'setup':'django-tastypie', 'url':'https://github.com/toastdriven/django-tastypie/archive/v0.9.15.tar.gz', 'local': 'django-tastypie-0.9.15.tar.gz', 'install' : {'method':'pip', 'option_str': None, 'dict_extra_env': None}},
     'DJANGO-CHUNCKED-UPLOADS' : {'setup': 'django-chuncked-uploads', 'url':'https://github.com/IRI-Research/django-chunked-uploads/archive/v0.5.tar.gz', 'local':'django-chunked-uploads-0.5.tar.gz', 'install' : {'method':'pip', 'option_str': None, 'dict_extra_env': None}},
-    'LDT' : {'setup': 'ldt', 'url':'http://www.iri.centrepompidou.fr/dev/hg/spel/raw-file/e11d50187832/virtualenv/res/src/ldt-1.53.1.tar.gz', 'local':'ldt-1.53.1.tar.gz', 'install' : {'method':'pip', 'option_str': None, 'dict_extra_env': None}},
+    'LDT' : {'setup': 'ldt', 'url':'http://www.iri.centrepompidou.fr/dev/hg/spel/raw-file/d665fea54da1/virtualenv/res/src/ldt-1.53.3.tar.gz', 'local':'ldt-1.53.3.tar.gz', 'install' : {'method':'pip', 'option_str': None, 'dict_extra_env': None}},
 }
 
 if system_str == 'Windows':