diff --git a/setup.cfg b/setup.cfg
index 01decaf9..b1c11958 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -65,7 +65,7 @@ dev =
     vermin
 
 doc =
-    Sphinx==5.3.0
+    Sphinx==6.1.1
     docutils==0.19
     myst-parser