diff --git a/src/requirements.txt b/src/requirements.txt
index 9d87d8a..d355182 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -22,7 +22,7 @@ gensim==3.7.0
 google-pasta==0.1.7
 grpcio==1.10.0
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.8
 ipython-genutils==0.2.0
 itsdangerous==0.24