diff --git a/rdf/requirements.txt b/rdf/requirements.txt
index 5eeadbe..4dd6efb 100644
--- a/rdf/requirements.txt
+++ b/rdf/requirements.txt
@@ -1,5 +1,5 @@
 future
-rdflib
+rdflib 
 rdflib-jsonld
 lxml
 html5lib