diff --git a/requirements.txt b/requirements.txt
index 843e857..5955010 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ defusedxml==0.5.0rc1; python_version > '3.5'
 Django==3.2.8
 django-meta==2.0.0
 future==0.16.0
-html5lib==0.9999999
+html5lib==0.999999999
 Markdown==2.6.7
 oauthlib==2.0.1
 pycryptodomex==3.4.3