diff --git a/book/external/Sphinx-Named-Colors b/book/external/Sphinx-Named-Colors
index fda4027..0f1231c 160000
--- a/book/external/Sphinx-Named-Colors
+++ b/book/external/Sphinx-Named-Colors
@@ -1 +1 @@
-Subproject commit fda40274420c46a05cee1de839ee4726a3816aed
+Subproject commit 0f1231c38451ca29c5e9509bb8c3098a2865ceb3