diff --git a/book/external/Sphinx-TUDelft-theme b/book/external/Sphinx-TUDelft-theme
index 35ecbdd..71399c6 160000
--- a/book/external/Sphinx-TUDelft-theme
+++ b/book/external/Sphinx-TUDelft-theme
@@ -1 +1 @@
-Subproject commit 35ecbddad78b567a0b2d1d4bdb513d8b95181348
+Subproject commit 71399c659b037a550a253e38ddacfb33e03cc882