diff --git a/bemullen_crussack_dharmesh_vinwah/requirements.txt b/bemullen_crussack_dharmesh_vinwah/requirements.txt
index b7a6972e..76b610ec 100644
--- a/bemullen_crussack_dharmesh_vinwah/requirements.txt
+++ b/bemullen_crussack_dharmesh_vinwah/requirements.txt
@@ -77,7 +77,7 @@ greenlet==0.4.12
 grpcio==1.10.0
 h5py==2.7.1
 heapdict==1.0.0
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.6
 idna-ssl==1.0.1
 imageio==2.2.0