diff --git a/book/external/Nested-Books b/book/external/Nested-Books
index a324629..b5c1bf9 160000
--- a/book/external/Nested-Books
+++ b/book/external/Nested-Books
@@ -1 +1 @@
-Subproject commit a324629645f85cea3bcc805ceeda3098ce201d51
+Subproject commit b5c1bf9ca8f741de07a24eb4990f2a7f266244b7
diff --git a/book/external/template b/book/external/template
index c8e1f1b..b553c6b 160000
--- a/book/external/template
+++ b/book/external/template
@@ -1 +1 @@
-Subproject commit c8e1f1babd7e63196d8b6be4e411b2e2727eb471
+Subproject commit b553c6bf668f76541d7a116bb79b7e6fcf48e487