diff --git a/requirements.txt b/requirements.txt
index e16c1b7..925446b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ snowballstemmer==2.2.0
 Sphinx==7.2.6
 sphinx-markdown-tables==0.0.17
 sphinx-rtd-theme>=1.2.0
-sphinxcontrib-applehelp==1.0.8
+sphinxcontrib-applehelp==2.0.0
 sphinxcontrib-devhelp==1.0.5
 sphinxcontrib-htmlhelp==2.0.5
 sphinxcontrib-jsmath==1.0.1