diff --git a/book/external/sphinx-iframes b/book/external/sphinx-iframes
index 7f58fcb..95cbf15 160000
--- a/book/external/sphinx-iframes
+++ b/book/external/sphinx-iframes
@@ -1 +1 @@
-Subproject commit 7f58fcb008cbbedbb33a83b18d6d15d39cf92d5a
+Subproject commit 95cbf15ea0729f57e38dce0523eff27f836a2771