diff --git a/requirements.txt b/requirements.txt
index 9f68ca8..5001c19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ decorator==4.4.0
 gast==0.2.2
 grpcio==1.20.0
 h5py==2.9.0
-html5lib==0.9999999
+html5lib==0.999999999
 humanize==0.5.1
 Jinja2>=2.10.1
 Keras>=2.2.0