diff --git a/requirements.txt b/requirements.txt
index 51373393f62..601b5864f32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ sphinx-rtd-theme==1.3.0
 sphinx-rtd-dark-mode==1.3.0
 sphinxcontrib-applehelp==1.0.7
 sphinxcontrib-devhelp==1.0.6
-sphinxcontrib-htmlhelp==2.0.4
+sphinxcontrib-htmlhelp==2.0.5
 sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-phpdomain==0.11.1