diff --git a/requirements.txt b/requirements.txt
index a1f53df..23e6b0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 beautifulsoup4 >= 4.5
 boto3==1.9.98
 datadotworld >= 1.6
-html5lib == 0.999
+html5lib == 0.999999999
 ipykernel >= 4.8
 lxml >= 3.7.3
 matplotlib==3.0.2