diff --git a/setup.cfg b/setup.cfg
index edc16ba..18bfbde 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -58,6 +58,6 @@ testing =
     isort
 
 docs =
-    Sphinx >= 3.3.1
+    Sphinx == 6.2.1
     sphinx-rtd-theme >= 0.5.0
     doc8 >= 0.8.1