diff --git a/cli/requirements.txt b/cli/requirements.txt
index b4336fa..441b08e 100644
--- a/cli/requirements.txt
+++ b/cli/requirements.txt
@@ -29,7 +29,7 @@ gast==0.2.2
 grpcio==1.20.1
 h5py==2.9.0
 HeapDict==1.0.0
-html5lib==0.9999999
+html5lib==0.99999999
 idna==2.8
 imageio==2.5.0
 ipykernel==5.1.0