diff --git a/requirements.txt b/requirements.txt
index 33a0420..f504e86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ Fiona==1.7.10.post1
 geojson==2.3.0
 geopandas==0.3.0
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.99999999
 httplib2==0.9.2
 idna==2.5
 ipykernel==4.6.1