diff --git a/articles/keras-weight-transfer/neural-net/requirements.txt b/articles/keras-weight-transfer/neural-net/requirements.txt
index ce9ac2e..6c03b8f 100644
--- a/articles/keras-weight-transfer/neural-net/requirements.txt
+++ b/articles/keras-weight-transfer/neural-net/requirements.txt
@@ -4,7 +4,7 @@ bleach==1.5.0
 gast==0.2.0
 grpcio==1.10.0
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 Keras==2.1.2
 Markdown==2.6.11
 numpy==1.14.1