diff --git a/experiments/list5/ukp-athene/requirements.txt b/experiments/list5/ukp-athene/requirements.txt
index 18f76458..6e41c9df 100644
--- a/experiments/list5/ukp-athene/requirements.txt
+++ b/experiments/list5/ukp-athene/requirements.txt
@@ -42,7 +42,7 @@ gevent==1.2.2
 greenlet==0.4.14
 grpcio==1.12.0
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 httptools==0.0.11
 idna==2.6
 imagesize==1.0.0