diff --git a/requirements.txt b/requirements.txt
index 8380e4e..d128067 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ gast==0.2.0
 graphviz==0.8.3
 grpcio==1.12.1
 h5py==2.8.0
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.6
 Keras==2.2.4
 Keras-Applications==1.0.6