Update rtd_requirements.txt

oesteban · effigies · oesteban · commit 7eda9c588b7a · 2019-07-31T07:45:57.000-07:00
Co-Authored-By: Chris Markiewicz &lt;effigies@gmail.com&gt;
diff --git a/rtd_requirements.txt b/rtd_requirements.txt
@@ -8,7 +8,8 @@ nibabel>=2.1.0
 numpy>=1.9.0
 numpydoc
 packaging
-prov==1.5.0
+prov>=1.5.2
+neurdflib
 psutil
 pydot>=1.2.3
 pydotplus
