diff --git a/external/alpaca b/external/alpaca
index ea5ab2aaa..83a592f0c 160000
--- a/external/alpaca
+++ b/external/alpaca
@@ -1 +1 @@
-Subproject commit ea5ab2aaa97be20d48c0ce99eb90321f1db91929
+Subproject commit 83a592f0c3807500f1aaf3b07fd48105a01e2780