diff --git a/docs/requirements.txt b/docs/requirements.txt
index 9f32d50..de8dc60 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -12,7 +12,7 @@ snowballstemmer==2.2.0
 sphinx==6.2.0
 sphinx-jsonschema==1.19.1
 sphinx-rtd-theme==1.3.0
-sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-applehelp==2.0.0
 sphinxcontrib-devhelp==1.0.2
 sphinxcontrib-htmlhelp==2.0.1
 sphinxcontrib-jsmath==1.0.1