diff --git a/requirements.txt b/requirements.txt
index ad8e133..81ee824 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ funcsigs==1.0.2
 gast==0.2.0
 grpcio==1.10.0
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 mock==2.0.0
 numpy==1.14.2
 pbr==3.1.1