diff --git a/doc-source/requirements.txt b/doc-source/requirements.txt
index 6e78ffb..a0c4740 100644
--- a/doc-source/requirements.txt
+++ b/doc-source/requirements.txt
@@ -8,7 +8,7 @@ sphinx>=3.0.3
 sphinx-copybutton>=0.5.2
 sphinx-debuginfo>=0.2.2
 sphinx-licenseinfo>=0.3.1
-sphinx-notfound-page>=0.7.1
+sphinx-notfound-page>=0.8.3
 sphinx-packaging>=0.1.1
 sphinx-prompt>=1.1.0
 sphinx-pyproject>=0.1.0