diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index cb8b775..f257754 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -23,7 +23,7 @@ Sphinx==5.3.0
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2
 sphinxcontrib-globalsubs==0.1.1
-sphinxcontrib-htmlhelp==2.0.0
+sphinxcontrib-htmlhelp==2.0.5
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5