diff --git a/requirements.txt b/requirements.txt
index ca4f0909..8a17c8f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,5 @@ Sphinx==5.3.0
 sphinx-copybutton==0.5.2
 sphinx_design==0.4.1
 sphinx-rtd-theme==1.2.0
-sphinx-notfound-page==0.8.3
 myst-parser==1.0.0
 sphinx-notfound-page==1.0.4