diff --git a/requirements.txt b/requirements.txt
index 1783d7a..530f9e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ gast==0.2.0
 grpcio==1.10.0
 gunicorn==19.7.1
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 itsdangerous==0.24
 Jinja2==2.10
 Keras==2.1.4