diff --git a/requirements/base.txt b/requirements/base.txt
index 8e381af3..cda652f6 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -41,7 +41,8 @@ social-auth-app-django>=5.4.2, <5.5
 
 # Online documentation via django-docs
 docutils==0.21.2
-Sphinx==8.1.3
+# NOTE: Sphinx 8.0 requires Python 3.10+, Sphinx 8.2 requires 3.11+
+Sphinx==7.4.7
 django-docs==0.3.3
 sphinx-rtd-theme==3.0.2