diff --git a/tests/requirements.txt b/tests/requirements.txt
index 1205c6f..221ba02 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -10,7 +10,7 @@ pytest-randomly>=3.7.0
 pytest-regressions>=2.0.1
 pytest-timeout>=1.4.2
 sphinx-toolbox[testing]>=2.13.0b3
-sphinxcontrib-applehelp<=1.0.4
+sphinxcontrib-applehelp<=1.0.8
 sphinxcontrib-devhelp<=1.0.2
 sphinxcontrib-htmlhelp<=2.0.1
 sphinxcontrib-jsmath<=1.0.1