diff --git a/requirements.txt b/requirements.txt
index e023dd6..c7364af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ astor==0.6.2
 bleach==3.1.4
 gast==0.2.0
 grpcio==1.10.0
-html5lib==0.9999999
+html5lib==0.99999999
 Keras==2.1.5
 keras_metrics==1.0.0
 Markdown==2.6.11