diff --git a/book/external/Sphinx-Grasple-public b/book/external/Sphinx-Grasple-public
index c29b4a0..7a1d17c 160000
--- a/book/external/Sphinx-Grasple-public
+++ b/book/external/Sphinx-Grasple-public
@@ -1 +1 @@
-Subproject commit c29b4a03351c88fa5cdd09475f99a1b486a0e247
+Subproject commit 7a1d17cfc82548ec2780edf420bea4f9a2066ede