diff --git a/requirements.txt b/requirements.txt
index 061c66e..f7f9785 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ gitdb2==2.0.5
 GitPython==2.1.11
 grpcio==1.20.0
 h5py==2.9.0
-html5lib==0.9999999
+html5lib==0.99999999
 ipykernel==5.1.0
 ipython==7.5.0
 ipython-genutils==0.2.0