diff --git a/setup.py b/setup.py
index ce52697a..d914059e 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
     "docs": [
         "marshmallow>=3.13.0",
         "pyyaml==5.4.1",
-        "sphinx==4.2.0",
+        "sphinx==6.1.2",
         "sphinx-issues==1.2.0",
         "sphinx-rtd-theme==1.0.0",
     ],