diff --git a/requirements.txt b/requirements.txt
index b01ad15..1597c8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ gensim==3.6.0
 ggplot==0.11.5
 grpcio==1.15.0
 h5py==2.8.0
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.8
 ipykernel==5.1.0
 ipython==7.1.1