diff --git a/base.cfg b/base.cfg
index 79dcc8651d..dc9af763ac 100644
--- a/base.cfg
+++ b/base.cfg
@@ -32,7 +32,6 @@ allow-hosts =
 [versions]
 # Do not use a release of plone.restapi:
 plone.restapi =
-sphinxcontrib-applehelp = 1.0.7  # newer version incompatible with Sphinx <5
 
 [instance]
 recipe = plone.recipe.zope2instance
diff --git a/requirements-docs.txt b/requirements-docs.txt
index dbff148650..ff7758fbf2 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -1,4 +1,5 @@
 docutils<0.17,>=0.15  # sphinx-book-theme 0.2.0 has requirement docutils<0.17,>=0.15
+sphinxcontrib-applehelp<=1.0.7  # newer versions require sphinx 5
 Sphinx<5,>=3  # sphinx-book-theme 0.3.3 has requirement sphinx<5,>=3
 jsx-lexer
 lesscpy