diff --git a/requirements-freeze.txt b/requirements-freeze.txt
index 6d7259b..1276386 100644
--- a/requirements-freeze.txt
+++ b/requirements-freeze.txt
@@ -18,7 +18,7 @@ Flask-SQLAlchemy==2.1
 Flask-WTF==0.14.2
 flower==0.8.2
 futures==2.2.0
-html5lib==0.999
+html5lib==0.999999999
 httpie==0.9.2
 itsdangerous==1.1.0
 Jinja2==2.10
diff --git a/requirements.txt b/requirements.txt
index f0daaa4..9c6aeb5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Flask-WTF==0.14.2
 flower==0.8.2
 futures==2.2.0
 gyp==0.1
-html5lib==0.999
+html5lib==0.999999999
 httpie==0.9.2
 itsdangerous==1.1.0
 Jinja2==2.10