diff --git a/writeups b/writeups
index 31728ee..64a4450 160000
--- a/writeups
+++ b/writeups
@@ -1 +1 @@
-Subproject commit 31728ee576ac1658e751204e0678a8d33b21fa2e
+Subproject commit 64a4450b53a02eaf29995130257a39e41b140694