diff --git a/barn/requirements.txt b/barn/requirements.txt
index 25462aa..cad48f9 100644
--- a/barn/requirements.txt
+++ b/barn/requirements.txt
@@ -1,7 +1,7 @@
 bleach==1.5.0
 cycler==0.10.0
 enum34==1.1.6
-html5lib==0.9999999
+html5lib==0.99999999
 kiwisolver==1.1.0
 Markdown==3.1.1
 matplotlib==3.0.3