diff --git a/translation/tensorflow/requirements.txt b/translation/tensorflow/requirements.txt
index c676c71..df6f557 100644
--- a/translation/tensorflow/requirements.txt
+++ b/translation/tensorflow/requirements.txt
@@ -12,7 +12,7 @@ google-cloud-core==0.28.1
 google-resumable-media==0.3.1
 googleapis-common-protos==1.5.3
 grpcio==1.11.0
-html5lib==0.9999999
+html5lib==0.99999999
 idna==2.6
 Markdown==2.6.11
 numpy==1.14.2