diff --git a/pip-requirements.txt b/pip-requirements.txt
index 44dcf2e..86a44fa 100644
--- a/pip-requirements.txt
+++ b/pip-requirements.txt
@@ -16,7 +16,7 @@ funcsigs==1.0.2
 functools32==3.2.3.post2
 gensim==2.3.0
 graphviz==0.8
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.6
 ipykernel==4.6.1
 ipython==5.4.1