diff --git a/book/external/Sphinx-Named-Colors b/book/external/Sphinx-Named-Colors
index 3e7d914..9f11680 160000
--- a/book/external/Sphinx-Named-Colors
+++ b/book/external/Sphinx-Named-Colors
@@ -1 +1 @@
-Subproject commit 3e7d91401c820d6e0b34eddc038294c2c3ab694f
+Subproject commit 9f116800cb90bde5cd45be9c66a47dfc60792eaa