diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 59f6c9e..a755cbc
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ funcsigs==1.0.2
 gast==0.2.2
 grpcio==1.27.2
 h5py==2.10.0
-html5lib==0.9999999
+html5lib==0.999999999
 Markdown==3.1.1
 mock==3.0.5
 numpy==1.19.3