diff --git a/Dator/requirements.txt b/Dator/requirements.txt
index 3d7b6c12..e92be101 100644
--- a/Dator/requirements.txt
+++ b/Dator/requirements.txt
@@ -41,7 +41,7 @@ genlisp==0.4.16
 genmsg==0.5.8
 gennodejs==2.0.1
 genpy==0.6.5
-html5lib==0.999
+html5lib==0.999999999
 httplib2==0.19.0
 humanize==0.5.1
 idna==2.6