diff --git a/api/requirements.txt b/api/requirements.txt
index 63e97b8..57d809a 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -6,7 +6,7 @@ enum34==1.1.6
 Flask==0.12.2
 gunicorn==19.7.1
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.6
 itsdangerous==0.24
 Jinja2==2.10
diff --git a/requirements.txt b/requirements.txt
index e78e866..f8b78a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 bleach==1.5.0
 cycler==0.10.0
 enum34==1.1.6
-html5lib==0.9999999
+html5lib==0.999999999
 Keras==2.1.2
 Markdown==2.6.10
 matplotlib==2.1.1