diff --git a/book/external/teachbooks-sphinx-tippy b/book/external/teachbooks-sphinx-tippy
index 3f9a5c2..338ad14 160000
--- a/book/external/teachbooks-sphinx-tippy
+++ b/book/external/teachbooks-sphinx-tippy
@@ -1 +1 @@
-Subproject commit 3f9a5c2a72607d5e32c3a99649f37a5e6548e92a
+Subproject commit 338ad14d39115c620c57476931ce8fa177cf20d8