diff --git a/setup.cfg b/setup.cfg
index da34269a..03d41b98 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -62,7 +62,7 @@ dev =
     vermin
 
 doc =
-    Sphinx==5.2.3
+    Sphinx==5.3.0
     docutils==0.19
     myst-parser