diff --git a/requirements.txt b/requirements.txt
index bde25e3..4ef3b63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ chardet==2.0.1
 click==6.7
 colorama==0.2.5
 enum34==1.0.4
-html5lib==0.999
+html5lib==0.999999999
 itsdangerous==0.24
 pathlib==1.0.1
 pyScss==1.3.3