diff --git a/gRPC/setup.py b/gRPC/setup.py
index dbb3e362..afe45f34 100644
--- a/gRPC/setup.py
+++ b/gRPC/setup.py
@@ -476,7 +476,7 @@ def cython_extensions_and_necessity():
 }
 
 SETUP_REQUIRES = INSTALL_REQUIRES + (
-    'Sphinx~=7.3.7',
+    'Sphinx~=7.4.7',
     'six>=1.10',
 ) if ENABLE_DOCUMENTATION_BUILD else ()