diff --git a/requirements.txt b/requirements.txt
index 96d0871..17d630f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ future==0.16.0
 futures==3.1.1
 fuzzywuzzy==0.16.0
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.6
 joblib==0.11
 kapre==0.1.3