diff --git a/doc-source/requirements.txt b/doc-source/requirements.txt
index c62265f..688f9e5 100644
--- a/doc-source/requirements.txt
+++ b/doc-source/requirements.txt
@@ -7,7 +7,7 @@ sphinx>=3.0.3
 sphinx-copybutton>=0.2.12
 sphinx-debuginfo>=0.1.0
 sphinx-licenseinfo>=0.1.1
-sphinx-notfound-page>=0.5
+sphinx-notfound-page>=0.7.1
 sphinx-prompt>=1.1.0
 sphinx-pyproject>=0.1.0
 sphinx-tabs>=1.1.13